BELL CANADA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04M TELEPHONIC COMMUNICATION 13150
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 394
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 148
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6961415 Method and system for facilitating telecommunications service provisioning and service assuranceApr 08, 04Nov 01, 05[H04M]
6735293 Method and system for facilitating telecommunications service provisioning and service assuranceJun 05, 01May 11, 04[H04M]
6584179 Method and apparatus for improving the utility of speech recognitionOct 24, 97Jun 24, 03[G10L]
D473521 Connector cable for computer to vehicle universal data bus (UDB) portMar 18, 02Apr 22, 03[1303]
6236722 Method and system for using TCAP signaling for improved call setup from a virtual switching pointMay 01, 98May 22, 01[H04M]
6111946 Method and system for providing answer supervision in a switched telephone networkJan 29, 98Aug 29, 00[H04M]
6097804 Method and system for completing a voice connection between first and second voice terminals in a switched telephone networkDec 23, 97Aug 01, 00[H04M, H04L]
5966433 Method and apparatus for screening calls in telephone networksFeb 14, 96Oct 12, 99[H04M]
5881132 Method and apparatus for monitoring selected telecommunications sessions in an intelligent switched telephone networkJul 01, 97Mar 09, 99[H04M]
5873068 Display based marketing message control system and methodDec 13, 95Feb 16, 99[H04M, G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0306,539 METHOD AND SYSTEM FOR CONTENT DELIVERY CONTROL USING A PARALLEL NETWORKAbandonedJul 02, 10Dec 02, 10[H04L, G06F]
7516410 Method and system for supporting communications within a virtual team environmentExpiredNov 16, 05Apr 07, 09[G06F]
7516411 Graphical user interface for a virtual team environmentExpiredJan 17, 06Apr 07, 09[G06F]
7472352 Method and system for automatic handling of invitations to join communications sessions in a virtual team environmentExpiredMar 03, 06Dec 30, 08[G06F]
7469384 Method and system for creating a virtual team environmentExpiredMay 16, 05Dec 23, 08[G06F]
2006/0190,353 Method and apparatus for vending and delivering telephone servicesAbandonedApr 24, 06Aug 24, 06[G06Q]
2006/0112,092 Content-based image retrieval methodAbandonedAug 11, 03May 25, 06[G06F]
2005/0289,471 Method and system for initiating communications with dispersed team members from within a virtual team environment using personal identifiersAbandonedSep 06, 05Dec 29, 05[G06F]
6959056 RFI canceller using narrowband and wideband noise estimatorsExpiredJun 05, 01Oct 25, 05[H04M, H03D]
2005/0234,829 Method and system for content delivery control using a parallel networkAbandonedJun 10, 05Oct 20, 05[H04K]
6940973 Method and apparatus for cancelling common mode noise occurring in communications channelsExpiredJun 07, 00Sep 06, 05[0000]
2004/0105,536 System for providing access to a voice mail systemAbandonedJul 14, 03Jun 03, 04[H04M]
2004/0093,619 Method and system for effective switching between set-top box servicesAbandonedNov 13, 02May 13, 04[H04N, G06F]
6687350 Smart card reader and transaction systemExpiredOct 26, 98Feb 03, 04[H04M]
2004/0019,691 Method and system for set-top box service and supportAbandonedJul 26, 02Jan 29, 04[G06F]
2003/0120,553 Method and apparatus for vending and delivering telephone servicesAbandonedDec 21, 01Jun 26, 03[G06F]
2003/0099,341 Method and system for providing access to a voice mail systemAbandonedNov 28, 01May 29, 03[H04M]
2003/0093,199 Remote monitoring and control of a motorized vehicleAbandonedNov 15, 01May 15, 03[G06F]
6546057 Suppression of radio frequency interference and impulse noise in communications channelsExpiredMay 18, 99Apr 08, 03[H04B]
6476749 High speed analog-to-digital converter and digital-to-analog converterExpiredDec 20, 99Nov 05, 02[H03M]

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