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Chatham, Canada

Canadian Fram Limited

USPTO Granted Patents = 34

Forward Citations = 335

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26 inventors (with patents filed for the assignee):

John E Cook (11 out of 124 patents)

Kwang Yew (6 out of 12 patents)

Herbert N Charles (4 out of 13 patents)

4. Andrew G Anderson (4 out of 7 patents)

5. Murray R Mason (2 out of 3 patents)

6. Donald A McCharles (2 out of 2 patents)

7. David A Bullen (2 out of 2 patents)

8. Ramalingam Sivalingham (2 out of 2 patents)

9. Hugh S Carrothers (2 out of 2 patents)

10. Gary Michael Everingham (1 out of 33 patents)

11. Tiong Hap Kho (1 out of 3 patents)

12. Richard D McWilliam (1 out of 2 patents)

13. Ronald F Mitchell (1 out of 4 patents)

14. Allen W De Jong (1 out of 1 patent)

15. Allen W DeJong (1 out of 1 patent)

34 patents: Sort by Forward Citations

1. 4708316 - Variable rate EGR valve with step motor control and method therefor (1987-11-24),

2. 4708229 - Double acting clutch (1987-11-24),

3. D291807 - Electric vacuum regulator valve for use with automotive emissions control (1987-09-08),

4. 4677877 - Accessory drive with band brake (1987-07-07),

5. 4667537 - Two speed accessory drive (1987-05-26),

6. 4666081 - Programmable thermostat and system therefor (1987-05-19),

7. 4662861 - Two speed accessory drive (1987-05-05),

8. 4662604 - Force balanced EGR valve with position feedback (1987-05-05),

9. D289401 - Electric vacuum regulator valve for use with automatic emissions control (1987-04-21),

10. 4653620 - Failsafe fan clutch (1987-03-31),

11. 4628887 - Automatically opening canister purge solenoid valve (1986-12-16),

12. 4614184 - Single solenoid control of sequential multiple actuators (1986-09-30),

13. 4613318 - Drive system with wear compensator (1986-09-23),

14. 4601277 - System for combined EGR and idle speed control (1986-07-22),

15. 4593798 - Idle restart clutching system (1986-06-10),

Canadian Fram Limited is a leading construction company based in Canada. With over 20 years of experience, we specialize in the design and construction of residential and commercial buildings. Our team of skilled professionals is committed to delivering high-quality projects on time and within budget. We offer a wide range of services including project management, engineering, and architectural design. At Canadian Fram Limited, customer satisfaction is our top priority, and we strive to exceed expectations with every project we undertake.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

34 Patents

#2 in Chatham

#374 in Canada

#19,012 in the World

Chatham, Canada

Canadian Fram Limited

Forward Citations = 335

26 inventors:

John E Cook (11 out of 124 patents)

Kwang Yew (6 out of 12 patents)

Herbert N Charles (4 out of 13 patents)

4. Andrew G Anderson (4 out of 7 patents)

5. Murray R Mason (2 out of 3 patents)

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