TUMBLEWEED COMMUNICATIONS CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 2283
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION157

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7162738 E-mail firewall with stored key encryption/decryptionSep 29, 01Jan 09, 07[G06F]
7018105 Bearing assembly with temperature sensorOct 10, 01Mar 28, 06[F16C]
6529956 Private, trackable URLs for directed document deliveryMar 09, 00Mar 04, 03[G06F]
6516411 Method and apparatus for effecting secure document format conversionDec 10, 01Feb 04, 03[H04L]
6487599 Electronic document delivery system in which notification of said electronic document is sent a recipient thereofJul 14, 99Nov 26, 02[G06F]
6470086 Method and apparatus for effecting secure document format conversionNov 17, 00Oct 22, 02[H04L, H04K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0120,206 Method and system for rule-based certificate validationAbandonedDec 02, 03Jun 02, 05[H04L]
2003/0196,098 E-mail firewall with stored key encryption/decryptionAbandonedApr 21, 03Oct 16, 03[H04L]

Top Inventors for This Owner

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