HTTrack Website Copier
Free software offline browser - FORUM
Search in previously answered questions and documentation:
Create message in new thread
Subject Author Date
problem with mime-type exclusions

01/16/2009 17:31
Re: problem with mime-type exclusions

01/16/2009 18:53
Re: problem with mime-type exclusions

01/16/2009 19:28
external links in directory

01/16/2009 12:19
Re: external links in directory

01/16/2009 14:59
Re: external links in directory

01/16/2009 15:47
good.net

01/16/2009 10:30
Re: good.net

01/16/2009 15:41
Suggestion

01/15/2009 20:56
Concatenate HTML files

01/15/2009 11:50
Re: Concatenate HTML files

01/15/2009 15:31
Mirroring Text DIsappears as soon as Mirror Begins

01/15/2009 11:39
Re: Mirroring Text DIsappears as soon as Mirror Begins

01/15/2009 15:25
IE8 not working with proxy capture

01/15/2009 05:57
Re: IE8 not working with proxy capture

01/16/2009 21:24
TLD

01/15/2009 02:54
download a list of pages

01/14/2009 17:40
Re: download a list of pages

01/16/2009 11:21
Re: download a list of pages

01/16/2009 11:25
Re: download a list of pages

01/16/2009 13:26
Re: download a list of pages

01/16/2009 15:39
No hts-log.txt (and hts-err.txt) files

01/14/2009 16:00
Re: No hts-log.txt (and hts-err.txt) files

01/14/2009 17:00
Re: No hts-log.txt (and hts-err.txt) files

01/14/2009 17:35
Copy a Moodle site to work off-line in a CD

01/14/2009 01:43
Re: Copy a Moodle site to work off-line in a CD

01/14/2009 15:28
How to download .flv files within a JavaScript?

01/13/2009 23:50
Re: How to download .flv files within a JavaScript?

01/14/2009 15:32
Re: How to download .flv files within a JavaScript?

01/15/2009 08:32
How do you get rid of the httrack spam?

01/12/2009 22:45
Re: How do you get rid of the httrack spam?

01/12/2009 23:15
Re: How do you get rid of the httrack spam?

01/15/2009 16:12
HTtrack method for managing several downloded webs

01/12/2009 15:53
Re: HTtrack method for managing several downloded

01/12/2009 16:38
Decoding downloaded files

01/12/2009 15:32
Re: Decoding downloaded files

01/12/2009 16:34
CONNECTION FAILURE (FREE BRWSING SOFTWARE)

01/12/2009 12:59
Re: CONNECTION FAILURE (FREE BRWSING SOFTWARE)

01/12/2009 16:29
suddenly saving as gzip, but without .gz extension

01/12/2009 06:41
Dowload informaton saving in a textfile

01/11/2009 21:39
Re: Dowload informaton saving in a textfile

01/12/2009 06:43
Re: Dowload informaton saving in a textfile

01/12/2009 16:23
Re: Dowload informaton saving in a textfile

01/15/2009 16:18
only 1 connection when mirroring from URL list?

01/11/2009 11:23
Re: only 1 connection when mirroring from URL list

01/11/2009 16:16
Re: only 1 connection when mirroring from URL list

01/11/2009 16:39
Re: only 1 connection when mirroring from URL list

01/11/2009 16:40
Problem with Multiple pages in Mirror

01/11/2009 00:07
Re: Problem with Multiple pages in Mirror

01/11/2009 16:20
httrack on Ubuntu not downloading what expected

01/10/2009 11:48
Re: httrack on Ubuntu not downloading what expecte

01/10/2009 16:20
Re: httrack on Ubuntu not downloading what expecte

01/12/2009 17:12
Remove host if timeout BROKEN

01/09/2009 20:08
How to filter Community Forum that uses ASP?

01/09/2009 17:25
Re: How to filter Community Forum that uses ASP?

01/09/2009 19:56
Re: How to filter Community Forum that uses ASP?

01/09/2009 21:32
Re: How to filter Community Forum that uses ASP?

01/10/2009 16:00
PHP

01/08/2009 15:21
updating downloaded website

01/08/2009 13:22
Re: updating downloaded website

01/08/2009 14:41
Re: updating downloaded website

01/09/2009 06:40
Re: updating downloaded website

01/09/2009 19:49
Httrack Manual - suggestion

01/07/2009 19:36
Re: Httrack Manual - suggestion

01/07/2009 20:51
can't get a 80+ pages topic grabbed

01/07/2009 18:31
Re: can't get a 80+ pages topic grabbed

01/07/2009 20:49
Re: can't get a 80+ pages topic grabbed

01/07/2009 21:14
Re: can't get a 80+ pages topic grabbed

01/07/2009 21:49
Unable to download

01/07/2009 09:12
Re: Unable to download

01/07/2009 16:19
Re: Unable to download

01/08/2009 06:04
Re: Unable to download

01/08/2009 14:44
Re: Unable to download

01/08/2009 17:20
Re: Unable to download

01/08/2009 17:21
Re: Unable to download

01/08/2009 17:37
Re: Unable to download

01/08/2009 17:39
Re: Unable to download

01/08/2009 18:16
Re: Unable to download

01/08/2009 23:06
Re: Unable to download

01/09/2009 19:30
Re: Unable to download

01/09/2009 19:46
Re: Unable to download

01/10/2009 16:51
Re: Unable to download

01/11/2009 18:59
Re: Unable to download

01/13/2009 01:29
Re: Unable to download

01/13/2009 19:32
Re: Unable to download

01/14/2009 10:49
Re: Unable to download

01/14/2009 15:35
Re: Unable to download

01/15/2009 08:36
Re: Unable to download

01/12/2009 12:09
Re: Unable to download

01/12/2009 16:30
How does update react on setting changes

01/07/2009 01:12
Re: How does update react on setting changes

01/07/2009 16:26
HTTP authentication

01/06/2009 23:35
Re: HTTP authentication

01/07/2009 16:45
How to download encrypted web pages?

01/06/2009 17:38
Re: How to download encrypted web pages?

01/06/2009 19:37
retries on 404 errors

01/05/2009 18:37
Re: retries on 404 errors

01/05/2009 19:58
Re: retries on 404 errors

01/05/2009 20:48
Re: retries on 404 errors

01/05/2009 21:46
Mirror Error

01/05/2009 18:32
Re: Mirror Error

01/05/2009 20:00
Re: Mirror Error

01/05/2009 20:06
Re: Mirror Error

01/05/2009 21:36
Creates .tmp instead for html

01/05/2009 18:05
[ADULT] Images and videos from adult site

01/05/2009 16:18
Re: [ADULT] Images and videos from adult site

01/05/2009 19:53
Re: [ADULT] Images and videos from adult site

01/07/2009 15:08
Deleted Everything After a Crash

01/04/2009 21:34
Re: Deleted Everything After a Crash

01/04/2009 22:44
Deleted Everything After a Crash

01/04/2009 21:34
Re: Deleted Everything After a Crash

01/04/2009 21:36
fatal error has occured

01/04/2009 19:10
Re: fatal error has occured

01/04/2009 22:40
Re: fatal error has occured

01/04/2009 22:41
Directory with underscore at the end

01/03/2009 09:08
Re: Directory with underscore at the end

01/03/2009 14:28
Diptera.info backup

01/02/2009 16:46
Re: Diptera.info backup

01/02/2009 16:46
Re: Diptera.info backup

01/02/2009 16:47
Re: Diptera.info backup

01/02/2009 23:41
"Continue Interrupted Download" Question

01/02/2009 16:20
Re: "Continue Interrupted Download" Question

01/02/2009 23:49
Re: "Continue Interrupted Download" Question

01/03/2009 00:24
Re: "Continue Interrupted Download" Question

01/03/2009 14:34
Re: "Continue Interrupted Download" Question

01/06/2009 12:50
Problem with www.ultimate-guitar.com

01/02/2009 00:33
Re: Problem with www.ultimate-guitar.com

01/02/2009 23:54
How can I just veiw all of the files

01/01/2009 23:52
Re: How can I just veiw all of the files

01/02/2009 23:56
Other interface

01/01/2009 17:37
[Help] Grab chains of text from a blog site

01/01/2009 11:37
Re: [Help] Grab chains of text from a blog site

01/01/2009 17:09
Mirror Error

12/30/2008 21:44
Re: Mirror Error

12/31/2008 19:00
New Guy Interest in how good this is...

12/30/2008 18:46
Re: New Guy Interest in how good this is...

12/30/2008 19:39
Changed css, js extension

12/30/2008 18:14
Re: Changed css, js extension

12/30/2008 18:44
Re: Changed css, js extension

12/30/2008 19:53
Re: Changed css, js extension

12/31/2008 00:18
Re: Changed css, js extension

12/31/2008 00:34
Re: Changed css, js extension

12/31/2008 00:48
Re: Changed css, js extension

12/31/2008 18:57
Re: Changed css, js extension

12/31/2008 20:07
Spider Google Cache pages

12/30/2008 16:19
Re: Spider Google Cache pages

12/30/2008 16:28
Re: Spider Google Cache pages

12/30/2008 16:40
Grabbing ASP site produces htmlhtml file errors

12/28/2008 01:37
Re: Grabbing ASP site produces htmlhtml file error

12/28/2008 19:17
Re: Grabbing ASP site produces htmlhtml file error

12/29/2008 00:32
Help to download videos from a web

12/27/2008 11:53
Donwload a web site twice

12/26/2008 15:57
Re: Donwload a web site twice

12/26/2008 17:57
Help need to download the files with Full URL

12/26/2008 07:57
Re: Help need to download the files with Full URL

12/26/2008 14:44
unresolved external symbol

12/26/2008 01:36
html file

12/24/2008 22:29
Re: html file

12/25/2008 15:20
Merry Christmas

12/24/2008 20:55
Mirror a blog - recursive links - please help!

12/24/2008 19:07
Re: Mirror a blog - recursive links - please help!

12/25/2008 15:15
Can't get past login page on "myBB" forum

12/24/2008 18:32
Re: Can't get past login page on "myBB" forum

12/25/2008 15:04
Re: Can't get past login page on "myBB" forum

12/26/2008 00:52
Use *.anything.com

12/21/2008 19:54
Re: Use *.anything.com

12/22/2008 15:45
Re: Use *.anything.com

12/22/2008 23:22
Gnu Docs at http://www.gnu.org/manual/manual.html

12/19/2008 12:36
Re: Gnu Docs at http://www.gnu.org/manual/manual.h

12/19/2008 14:06
WinHTTrack MD5 hashes

12/19/2008 05:27
Re: WinHTTrack MD5 hashes

12/19/2008 14:01
Re: WinHTTrack MD5 hashes

12/20/2008 20:56
Re: WinHTTrack MD5 hashes

12/21/2008 00:08
Re: WinHTTrack MD5 hashes

12/21/2008 11:47
hts-log.txt has 21 gigas afer one day and 12 hours

12/18/2008 20:32
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/18/2008 21:00
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/19/2008 12:47
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/19/2008 13:57
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/19/2008 16:14
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/19/2008 17:16
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/19/2008 18:49
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/19/2008 19:05
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/19/2008 19:08
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/20/2008 14:15
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/20/2008 16:17
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/22/2008 15:23
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/22/2008 16:12
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/22/2008 22:17
Re: hts-log.txt has 21 gigas afer one day and 12 h

12/23/2008 14:42
Vista 2

12/18/2008 10:27
Re: Vista 2

12/18/2008 14:10
vista

12/18/2008 07:06
Help with Filters please

12/17/2008 21:06
Re: Help with Filters please

12/17/2008 23:26
Re: Help with Filters please

12/18/2008 00:36
Re: Help with Filters please

12/18/2008 01:44
First page of the URL

12/17/2008 19:16
Re: First page of the URL

12/18/2008 00:10
Re: First page of the URL

12/18/2008 00:27
Restart htsserver on same port

12/17/2008 16:54
Copying a forum with corresponding query strings

12/17/2008 06:05
Re: Copying a forum with corresponding query strin

12/18/2008 00:55
Getting password prompt after successful download

12/17/2008 03:02
Re: Getting password prompt after successful download

12/17/2008 16:49
Re: Getting password prompt after successful download

12/17/2008 17:30
Re: Getting password prompt after successful download

12/18/2008 16:07
Running httrack on several computers

12/16/2008 09:18
Still getting an Error!

12/16/2008 03:27
ignore whitespace

12/16/2008 00:52
HELP: immediate mirror for a site with login form

12/15/2008 22:07
Silent mode

12/15/2008 17:56
Re: Silent mode

12/15/2008 18:58
All articles, forum bug

12/15/2008 15:06
Mirror empty, lost cache, bug

12/15/2008 14:59
start WinHTTrack from a batch file

12/14/2008 16:54
Re: start WinHTTrack from a batch file

12/15/2008 16:05
Mirroring password protected site for another user

12/13/2008 20:33
Re: Mirroring password protected site for another

12/13/2008 21:16
Re: Mirroring password protected site for another

12/14/2008 10:02
Re: Mirroring password protected site for another user

12/14/2008 14:44
Re: Mirroring password protected site for another user

12/14/2008 19:12
Home Page disabled - Need rest of site

12/13/2008 01:17
Re: Home Page disabled - Need rest of site

12/13/2008 14:18
Download of login/member section failed

12/12/2008 08:15
Re: Download of login/member section failed

12/12/2008 20:22
Re: Download of login/member section failed

12/14/2008 16:39
Re: Download of login/member section failed

12/14/2008 17:09
Renaming all ASP files to .htm ones

12/11/2008 21:27
Re: Renaming all ASP files to .htm ones

12/12/2008 03:52
Re: Renaming all ASP files to .htm ones

12/19/2008 20:41
Re: Renaming all ASP files to .htm ones

12/20/2008 14:46
Grabing all pages of a SUBforum

12/10/2008 21:19
Re: Grabing all pages of a SUBforum

12/11/2008 16:38
Re: Grabing all pages of a SUBforum

12/11/2008 17:45
Re: Grabing all pages of a SUBforum

12/11/2008 19:06
Re: Grabing all pages of a SUBforum

12/12/2008 13:59
Re: Grabing all pages of a SUBforum

12/12/2008 20:17
Re: Grabing all pages of a SUBforum

12/16/2008 18:51
Re: Grabing all pages of a SUBforum

12/16/2008 18:55
Re: Grabing all pages of a SUBforum

12/18/2008 00:18
Seems to mirror, but where are the files?

12/10/2008 15:09
Re: Seems to mirror, but where are the files?

12/11/2008 16:19
Is this the right way to filter?

12/09/2008 22:20
Re: Is this the right way to filter?

12/11/2008 16:10
Re: Is this the right way to filter?

12/12/2008 13:56
How to combine multiple images into a pdf

12/09/2008 07:04
Re: How to combine multiple images into a pdf

12/09/2008 09:54
Re: How to combine multiple images into a pdf

12/10/2008 04:29
How to combine multiple images into a pdf

12/09/2008 06:30
Can't connect

12/09/2008 01:10
maybe it can help

12/08/2008 20:49
Virus

12/08/2008 19:46
Re: Virus

12/09/2008 16:07
Re: Virus

12/13/2008 14:22
HTTrack 3.43.2 rpm packages for CentOS 5.2

12/08/2008 04:04
file size

12/05/2008 18:34
Re: file size

12/05/2008 19:31
Re: file size

12/05/2008 21:17
Re: file size

12/05/2008 23:23
Re: file size

12/06/2008 00:15
Re: file size

12/06/2008 15:49
login through java (i think)

12/05/2008 18:02
Re: login through java (i think)

12/05/2008 19:22
[Bug] Command line fails to display questions

12/05/2008 14:50
Re: [Bug] Command line fails to display questions

12/07/2008 10:50
Re: [Bug] Command line fails to display questions

12/08/2008 11:58
*** glibc detected *** httrack: munmap_chunk(): in

12/05/2008 01:43
Re: *** glibc detected *** httrack: munmap_chunk()

12/05/2008 19:27
Re: *** glibc detected *** httrack: munmap_chunk()

12/05/2008 20:29
Re: *** glibc detected *** httrack: munmap_chunk()

12/07/2008 10:56
images from gallery

12/04/2008 12:38
Re: images from gallery

12/05/2008 05:30
Re: images from gallery

12/05/2008 19:17
im dont speak computer

12/04/2008 10:57
Re: im dont speak computer

12/05/2008 19:10
Force download of mirrored doc files

12/03/2008 20:49
Re: Force download of mirrored doc files

12/03/2008 21:17
Re: Force download of mirrored doc files

12/04/2008 18:08
mirroring depth - maybe rephrase help section

12/03/2008 11:00
Problems with swf-files

12/03/2008 10:22
Re: Problems with swf-files

12/03/2008 14:57
Re: Problems with swf-files

12/07/2008 10:55
lord_skulldragon@yahoo.com

12/02/2008 20:39
Re: lord_skulldragon@yahoo.com

12/03/2008 14:53
downloading DOC files

12/02/2008 13:25
Re: downloading DOC files

12/02/2008 15:41
Re: downloading DOC files

12/03/2008 09:03
Re: downloading DOC files

12/03/2008 16:38
Re: downloading DOC files

12/03/2008 20:40
Re: downloading DOC files

12/04/2008 17:57
Can no longer download (some) websites.

12/02/2008 09:56
Re: Can no longer download (some) websites.

12/02/2008 11:00
Re: Can no longer download (some) websites.

12/03/2008 10:27
avoiding BL's

12/02/2008 09:41
Re: avoiding BL's

12/02/2008 10:09
Re: avoiding BL's

12/02/2008 10:15
Re: avoiding BL's

12/03/2008 15:10
Crash while loading a large URL list from a file

12/02/2008 03:48
Re: Crash while loading a large URL list from a file

12/02/2008 16:01
Re: Crash while loading a large URL list from a fi

12/03/2008 15:03
304 Status Code

12/01/2008 20:38
Re: 304 Status Code

12/03/2008 15:00
Re: 304 Status Code

12/03/2008 22:32
mht option in gui

12/01/2008 18:55
Re: mht option in gui

12/01/2008 19:59
Re: mht option in gui

12/01/2008 20:05
Re: mht option in gui

12/02/2008 09:53
Re: mht option in gui

12/02/2008 10:13
Can HTTRACK grab a website which is mostly ASP?

11/30/2008 20:52
Re: Can HTTRACK grab a website which is mostly ASP

11/30/2008 21:42
Re: Can HTTRACK grab a website which is mostly ASP

12/01/2008 19:11
Re: Can HTTRACK grab a website which is mostly ASP

12/01/2008 20:02
Vista+3.43=ko , vista+3.23=OK

11/30/2008 16:36
Re: Vista+3.43=ko , vista+3.23=OK

11/30/2008 21:54
to plan HTTrack

11/28/2008 12:45
Remove comments from header and footer

11/27/2008 16:16
Mirror error

11/27/2008 11:51
Re: Mirror error

11/27/2008 14:52
Re: Mirror error

11/27/2008 16:55
Re: Mirror error

11/27/2008 17:52
Re: Mirror error

11/28/2008 05:39
Re: Mirror error

12/01/2008 04:57
Google Analytics (https login)

11/27/2008 10:44
Re: Google Analytics (https login)

11/27/2008 14:46
Re: Google Analytics (https login)

11/29/2008 12:05
Attempt to detect all links

11/26/2008 22:46
Re: Attempt to detect all links

12/01/2008 22:45
Re: Attempt to detect all links

12/01/2008 23:27
Re: Attempt to detect all links

12/02/2008 10:21
Re: Attempt to detect all links

12/03/2008 14:50
Defendmyname, images problems

11/26/2008 12:25
Re: Defendmyname, images problems

11/26/2008 14:26
Session timeout when trying user/password access

11/26/2008 10:22
Re: Session timeout when trying user/password acce

11/26/2008 14:31
Re: Session timeout when trying user/password acce

11/26/2008 16:48
Re: Session timeout when trying user/password acce

11/26/2008 17:19
Re: Session timeout when trying user/password acce

11/27/2008 09:14
Re: Session timeout when trying user/password acce

11/27/2008 14:38
Change part of the site structure

11/26/2008 01:28
Re: Change part of the site structure

11/26/2008 14:20
Mirror folders with forbidden access

11/25/2008 16:51
Re: Mirror folders with forbidden access

11/25/2008 17:30
Re: Mirror folders with forbidden access

11/25/2008 18:00
Download Database

11/25/2008 14:51
Download Database

11/25/2008 14:50
Re: Download Database

11/25/2008 17:21
Couldn't offline browse a javascript popup page

11/24/2008 11:19
Re: Couldn't offline browse a javascript popup pag

11/24/2008 11:23
Re: Couldn't offline browse a javascript popup pag

11/24/2008 15:14
Re: Couldn't offline browse a javascript popup pag

11/24/2008 16:21
How to spider only one path and ignore all others?

11/24/2008 09:43
Re: How to spider only one path and ignore all oth

11/24/2008 15:17
Re: How to spider only one path and ignore all oth

11/24/2008 17:27
Re: How to spider only one path and ignore all oth

11/29/2008 05:15
Re: How to spider only one path and ignore all oth

11/29/2008 15:02
Re: How to spider only one path and ignore all oth

12/01/2008 01:54
Re: How to spider only one path and ignore all oth

12/01/2008 18:02
HTTrack 3.42-3+libhtsjava.so.2 SIGABRT

11/23/2008 01:37
can't open downloaded pages

11/22/2008 16:21
Re: can't open downloaded pages

11/22/2008 16:25
Re: can't open downloaded pages

11/22/2008 18:08
Re: can't open downloaded pages

11/22/2008 20:53
Mirror Error

11/21/2008 21:40
Re: Mirror Error

11/21/2008 21:58
Re: Mirror Error

11/22/2008 18:06
Re: Mirror Error

11/22/2008 19:17
Re: Mirror Error

11/22/2008 21:49
Re: Mirror Error

11/25/2008 18:35
Re: Mirror Error - vista

11/26/2008 14:10
Re: Mirror Error - vista

11/28/2008 20:53
Re: Mirror Error

11/26/2008 02:08
Re: Mirror Error

11/28/2008 21:22
httrack doesn't usually rename .tmp files

11/21/2008 19:57
No trace on heap

11/21/2008 01:49
Downloading New Only

11/21/2008 01:21
Challenge Response on Intranet

11/20/2008 18:23
Re: Challenge Response on Intranet

11/21/2008 04:27
Remove top index.html

11/19/2008 12:02
Re: Remove top index.html

11/19/2008 17:24
How to get rid of anti-robots protection

11/19/2008 09:02
Re: How to get rid of anti-robots protection

11/19/2008 17:40
Re: How to get rid of anti-robots protection

11/21/2008 15:45
Re: How to get rid of anti-robots protection

11/21/2008 16:52
site with accesskey form

11/19/2008 05:53
Re: site with accesskey form

11/19/2008 16:51
Re: site with accesskey form

11/20/2008 00:25
Download web with Java login?

11/19/2008 02:56
Re: Download web with Java login?

11/19/2008 02:58
Re: Download web with Java login?

11/19/2008 03:55
Re: Download web with Java login?

11/19/2008 04:03
Re: Download web with Java login?

11/19/2008 16:48
Cannot Figure out how to prevent Comment Code ...

11/19/2008 02:53
Re: Cannot Figure out how to prevent Comment Code ...

11/19/2008 18:30
Formatting on this BBS

11/18/2008 16:36
Re: Formatting on this BBS

11/18/2008 18:38
Dynamic portion of WEBSITE

11/18/2008 10:34
Re: Dynamic portion of WEBSITE

11/18/2008 14:26
Re: Dynamic portion of WEBSITE

11/18/2008 16:17
Re: Dynamic portion of WEBSITE

11/18/2008 16:32
Re: Dynamic portion of WEBSITE

11/18/2008 16:34
Re: Dynamic portion of WEBSITE

11/18/2008 18:35
Re: Dynamic portion of WEBSITE

11/19/2008 06:38
Re: Dynamic portion of WEBSITE

11/20/2008 03:29
webhttrack startup

11/17/2008 14:04

<<< Previous page
Next page >>>




0
Created with FORUM 2.0.11
End Software Patents