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For the Inventor, By the Inventor

Montreal, Canada

Bell Canada

USPTO Granted Patents = 32

% Expired Patents = 3.1


Forward Citations = 1,324

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49 inventors (with patents filed for the assignee):

goldMedal L Lloyd Williams (7 out of 23 patents)

silverMedal Tet Hin Yeap (5 out of 37 patents)

bronzeMedal Michel R Lalonde (4 out of 4 patents)

4.  William G O'Brien (3 out of 25 patents)

5.  Colin A Reid (3 out of 3 patents)

6.  William P Trumble (3 out of 18 patents)

7.  Robert Hingyee Yip (2 out of 3 patents)

8.  Alan G Doherty (2 out of 2 patents)

9.  Neil S Rieck (2 out of 2 patents)

10.  Stephen M Kennel (2 out of 2 patents)

11.  Terry J Shannon (2 out of 2 patents)

12.  David Kenneth Fenton (2 out of 2 patents)

13.  Gordon J Gilbert (2 out of 2 patents)

14.  Matthew Lennig (2 out of 7 patents)

15.  Douglas Malcolm MacDonald (2 out of 2 patents)


Core Competencies:
Telecommunications
Noise Cancellation
Speech Recognition
Call Routing
RFI Canceller
Service Provisioning
Analog-to-Digital Converter
Network Control
Transaction System
Optical Reflectometer
Voice Connection
Directory Assistance

32 patents:

1. 6961415 - Method and system for facilitating telecommunications service provisioning and service assurance (2005-11-01),
2. 6959056 - RFI canceller using narrowband and wideband noise estimators (2005-10-25),
3. 6940973 - Method and apparatus for cancelling common mode noise occurring in communications channels (2005-09-06),
4. 6735293 - Method and system for facilitating telecommunications service provisioning and service assurance (2004-05-11),
5. 6687350 - Smart card reader and transaction system (2004-02-03),
6. 6584179 - Method and apparatus for improving the utility of speech recognition (2003-06-24),
7. D473521 - Connector cable for computer to vehicle universal data bus (UDB) port (2003-04-23),
8. 6546057 - Suppression of radio frequency interference and impulse noise in communications channels (2003-04-08),
9. 6493444 - Enhanced application telephone network (2002-12-10),
10. 6476749 - High speed analog-to-digital converter and digital-to-analog converter (2002-11-05),
11. 6456701 - Network-centric control of access to transceivers (2002-09-24),
12. 6456657 - Frequency division multiplexed transmission of sub-band signals (2002-09-24),
13. 6236722 - Method and system for using TCAP signaling for improved call setup from a virtual switching point (2001-05-22),
14. 6226289 - Method and apparatus for dynamically routing calls in an intelligent network (2001-05-01),
15. 6111946 - Method and system for providing answer supervision in a switched (2000-08-29),
Company Overview
Bell Canada is a leading telecommunications provider in Canada, specializing in a wide range of services including wireless, internet, and television. The company is committed to advancing technology and enhancing connectivity across the nation, focusing on innovative solutions in broadband and digital media. With a strong emphasis on research and development, Bell Canada plays a significant role in shaping the future of communication technologies, ensuring that both urban and rural communities have access to reliable services.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

32 Patents

#32 in Montreal

#424 in Canada

#20,697 in the World

Montreal, CA
Montreal, Canada

Bell Canada

Forward Citations = 1,324

49 inventors:

goldMedal L Lloyd Williams (7 out of 23 patents)

silverMedal Tet Hin Yeap (5 out of 37 patents)

bronzeMedal Michel R Lalonde (4 out of 4 patents)

4.  William G O'Brien (3 out of 25 patents)

5.  Colin A Reid (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bell Canada. Retrieved from https://idiyas.com/company/bell-canada

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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