Assignee
TUMBLEWEED COMM CORP
US·23 granted patents·1 pending application·5,472 citations·filing 1997–2006
Top patents by PatentIndex Score
24 records- 0199US7127741B2Method and system for e-mail message transmissionTUMBLEWEED COMM CORP·Filed 2001·Granted Oct 24, 2006·410 cites·3 claims
- 0299US6192407B1Private, trackable URLs for directed document deliveryTUMBLEWEED COMM CORP·Filed 1997·Granted Feb 20, 2001·998 cites·7 claims
- 0398US6529956B1Private, trackable URLs for directed document deliveryTUMBLEWEED COMM CORP·Filed 2000·Granted Mar 4, 2003·247 cites·6 claims
- 0498US6119137ADistributed dynamic document conversion serverTUMBLEWEED COMM CORP·Filed 1997·Granted Sep 12, 2000·593 cites·34 claims
- 0598US6061448AMethod and system for dynamic server document encryptionTUMBLEWEED COMM CORP·Filed 1997·Granted May 9, 2000·780 cites·27 claims
- 0697US6516411B2Method and apparatus for effecting secure document format conversionTUMBLEWEED COMM CORP·Filed 2001·Granted Feb 4, 2003·166 cites·10 claims
- 0796US7117358B2Method and system for filtering communicationTUMBLEWEED COMM CORP·Filed 2002·Granted Oct 3, 2006·178 cites·61 claims
- 0896US6609196B1E-mail firewall with stored key encryption/decryptionTUMBLEWEED COMM CORP·Filed 1998·Granted Aug 19, 2003·390 cites·19 claims
- 0996US6487599B1Electronic document delivery system in which notification of said electronic document is sent a recipient thereofTUMBLEWEED COMM CORP·Filed 1999·Granted Nov 26, 2002·330 cites·17 claims
- 1095US7401356B2Method and system for e-mail message transmissionTUMBLEWEED COMM CORP·Filed 2006·Granted Jul 15, 2008·35 cites·26 claims
- 1195US7389413B2Method and system for filtering communicationTUMBLEWEED COMM CORP·Filed 2006·Granted Jun 17, 2008·41 cites·61 claims
- 1295US6826609B1Policy enforcement in a secure data file delivery systemTUMBLEWEED COMM CORP·Filed 2000·Granted Nov 30, 2004·100 cites·48 claims
- 1395US6470086B1Method and apparatus for effecting secure document format conversionTUMBLEWEED COMM CORP·Filed 2000·Granted Oct 22, 2002·106 cites·4 claims
- 1494US6725381B1Solicited authentication of a specific userTUMBLEWEED COMM CORP·Filed 1999·Granted Apr 20, 2004·227 cites·20 claims
- 1592US7380274B2E-mail firewallTUMBLEWEED COMM CORP·Filed 2006·Granted May 27, 2008·20 cites·8 claims
- 1692US6385655B1Method and apparatus for delivering documents over an electronic networkTUMBLEWEED COMM CORP·Filed 1997·Granted May 7, 2002·390 cites·103 claims
- 1791US7162738B2E-mail firewall with stored key encryption/decryptionTUMBLEWEED COMM CORP·Filed 2001·Granted Jan 9, 2007·94 cites·2 claims
- 1891US6912285B2Mechanism for efficient private bulk messagingTUMBLEWEED COMM CORP·Filed 2001·Granted Jun 28, 2005·56 cites·10 claims
- 1990US6901509B1Apparatus and method for demonstrating and confirming the status of a digital certificates and other dataTUMBLEWEED COMM CORP·Filed 2000·Granted May 31, 2005·62 cites·27 claims
- 2089US7257564B2Dynamic message filteringTUMBLEWEED COMM CORP·Filed 2003·Granted Aug 14, 2007·97 cites·8 claims
- 2182US6502191B1Method and system for binary data firewall deliveryTUMBLEWEED COMM CORP·Filed 1997·Granted Dec 31, 2002·126 cites·36 claims
- 2276US7073056B2Apparatus and method for demonstrating and confirming the status of digital certificates and other dataTUMBLEWEED COMM CORP·Filed 2002·Granted Jul 4, 2006·15 cites·1 claims
- 2372US7356834B2Solicited authentication of a specific userTUMBLEWEED COMM CORP·Filed 2004·Granted Apr 8, 2008·11 cites·9 claims
- 2447US2003196098A1E-mail firewall with stored key encryption/decryptionTUMBLEWEED COMM CORP·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when TUMBLEWEED COMM CORP files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →