Zoom Telephonics, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 3282
 
  
 
H04M TELEPHONIC COMMUNICATION 3160
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8750290 Method and apparatus for ensuring accessibility to emergency service via VoIP or via PSTNOct 18, 06Jun 10, 14[H04M, H04L]
7593389 Distinctive dial tone for a VoIP callSep 03, 04Sep 22, 09[H04L]
6944774 Data flow control unitJan 02, 01Sep 13, 05[H04L, G06F]
5898756 Parallel-connected dialing signal transmission-inhibiting device for data transfer over a telephone linkOct 13, 95Apr 27, 99[H04M]
5361296 Modem with ring detection/modem processing capabilityNov 25, 91Nov 01, 94[H04M]
5295800 Apparatus for gas assisted injection molding having precise control of injection and holding pressure with stepped holding pressure capabilityNov 27, 91Mar 22, 94[B29C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8194651 Method and apparatus for user authenticationExpiredSep 03, 04Jun 05, 12[H04L]
6963640 Memory architecture for telephone dialerExpiredApr 25, 00Nov 08, 05[H04M, H04B]
6711238 Parallel-connected dialing signal transmission inhibiting device for data transfer over a telephone linkExpiredJan 22, 99Mar 23, 04[H04M]
6289087 Modem with ring detection/modem processing capabilityExpiredJun 15, 00Sep 11, 01[H04M]
6081587 Modem with ring detection/modem processing capabilityExpiredNov 06, 98Jun 27, 00[H04M]
5835578 Modem with ring detection/modem processing capabilityExpiredApr 29, 96Nov 10, 98[H04M, 100., 102.]
5528385 Faxmodem with scanning capabilityExpiredJun 26, 95Jun 18, 96[H04N]
5440619 Voice, data and facsimile modem with modified ringback answeringExpiredAug 11, 93Aug 08, 95[H04M]
D271762 Telephone switch-connector assemblyExpiredJan 14, 81Dec 13, 83[D140]
D271301 Telephone switch-connector unitExpiredJan 15, 81Nov 08, 83[D140]
D271302 Telephone switch-connector deviceExpiredJan 16, 81Nov 08, 83[D140]

Top Inventors for This Owner

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