For the Inventor, By the Inventor

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Bloomfield, CT, United States of America

The Jacobs Manufacturing Company

USPTO Granted Patents = 37

Forward Citations = 757

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15 inventors (with patents filed for the assignee):

George Cecil Derbyshire (13 out of 15 patents)

Raymond N Quenneville (9 out of 14 patents)

Zdenek S Meistrick (7 out of 10 patents)

4. Robert B Price (4 out of 8 patents)

5. Kenneth H Sickler (3 out of 4 patents)

6. Clyde D Richey (3 out of 3 patents)

7. Donald J McCarthy (2 out of 6 patents)

8. Dennis R Custer (2 out of 9 patents)

9. Vincent J Pitzi (1 out of 4 patents)

10. Walter H Morse (1 out of 2 patents)

11. Ira R Ames, Jr (1 out of 1 patent)

12. Mark S Cavanagh (1 out of 1 patent)

13. Stanislav Jakuba (1 out of 3 patents)

14. Harry H Mayne (1 out of 2 patents)

15. David J Pearman (1 out of 1 patent)

37 patents: Sort by Forward Citations

1. 4898206 - Compression release retarder with valve motion modifier (1990-02-06),

2. 4840387 - Self-actuating keyless chuck (1989-06-20),

3. 4838516 - Compression release retarder with valve motion modifier (1989-06-13),

4. 4793307 - Rocker arm decoupler for two-cycle engine retarder (1988-12-27),

5. D292937 - Tool chest with retractable step (1987-11-24),

6. 4706625 - Engine retarder with reset auto-lash mechanism (1987-11-17),

7. 4706624 - Compression release retarder with valve motion modifier (1987-11-17),

8. 4688384 - Braking boost pressure modulator and method (1987-08-25),

9. 4684139 - Drill chuck (1987-08-04),

10. 4664070 - Hydro-mechanical overhead for internal combustion engine (1987-05-12),

11. 4611960 - Tool holder (1986-09-16),

12. 4592319 - Engine retarding method and apparatus (1986-06-03),

13. D283263 - Mobile tool chest (1986-04-01),

14. 4572114 - Process and apparatus for compression release engine retarding producing (1986-02-25),

15. 4545628 - Tool chest with retractable step (1985-10-08),

The Jacobs Manufacturing Company is a leading manufacturer of high-quality industrial equipment. With over 50 years of experience, we specialize in designing and producing innovative machinery for various industries, including automotive, aerospace, and construction. Our state-of-the-art production facilities and skilled workforce ensure the delivery of reliable and efficient solutions that meet the specific requirements of our customers. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

37 Patents

#3 in Bloomfield, CT

#208 in Connecticut

#8,939 in US

#17,697 in the World

Bloomfield, CT, United States of America

The Jacobs Manufacturing Company

Forward Citations = 757

15 inventors:

George Cecil Derbyshire (13 out of 15 patents)

Raymond N Quenneville (9 out of 14 patents)

Zdenek S Meistrick (7 out of 10 patents)

4. Robert B Price (4 out of 8 patents)

5. Kenneth H Sickler (3 out of 4 patents)

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