For the Inventor, By the Inventor

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Jamestown, NY, United States of America

Weber Knapp Company

USPTO Granted Patents = 49

CIPO Patents = 5

Trademarks = 3

Forward Citations = 911

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21 inventors (with patents filed for the assignee):

Richard L Watt (14 out of 14 patents)

Carl H Little (10 out of 13 patents)

Michael G Wisniewski (8 out of 13 patents)

4. Donald R Pangborn (8 out of 9 patents)

5. Daniel Mark Graham (7 out of 12 patents)

6. Warren Arthur Waxham (5 out of 6 patents)

7. Peter J Kerl (4 out of 4 patents)

8. James R Caronia (3 out of 3 patents)

9. Matthew J Ransil (2 out of 42 patents)

10. Jeremy Forrest Redlecki (2 out of 2 patents)

11. Eric W Maloney (2 out of 2 patents)

12. Christopher T Hahn (2 out of 2 patents)

13. Keith R Ptak (2 out of 2 patents)

14. Kenneth J Boyd (2 out of 2 patents)

15. Charles E Teeter (2 out of 2 patents)

49 patents: Sort by Forward Citations

1. 12290206 - Pizza oven assembly for drum smoker (2025-05-06),

2. 11910954 - Cover or lid counterbalance assembly (2024-02-27),

3. 11702877 - Counterbalance and method of making the same (2023-07-18),

4. 11142934 - Counterbalance and method of making the same (2021-10-12),

5. 10822851 - Cover assembly with lid assist assembly and friction bearing (2020-11-03),

6. 10221603 - Counterbalance and method of making the same (2019-03-05),

7. D818342 - Counterbalance (2018-05-22),

8. D818341 - Counterbalance (2018-05-22),

9. 8899540 - Counterbalance mechanism (2014-12-02),

10. 8296906 - Four bar hinge (2012-10-30),

11. 7455270 - Support arm mechanism (2008-11-25),

12. D517607 - Combination document holder and writing surface mechanism (2006-03-21),

13. 6912119 - Sliding keyboard tray set (2005-06-28),

14. 6688563 - Support for a mouse surface (2004-02-10),

15. 6488248 - Keyboard mechanism tracking system (2002-12-03),

Weber Knapp Company is a leading manufacturer of quality ergonomic solutions, motion control technology, and custom engineering services. With over 100 years of experience, we specialize in the design and production of innovative hinge systems, lift-assist solutions, and adjustable components. Our solutions are trusted by industries such as healthcare, office furniture, automotive, and more. By combining our expertise in engineering, manufacturing, and customer service, we deliver high-quality products that enhance comfort, efficiency, and safety.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

49 Patents

#2 in Jamestown, NY

#397 in New York

#6,907 in US

#13,842 in the World

Jamestown, NY, United States of America

Weber Knapp Company

Forward Citations = 911

21 inventors:

Richard L Watt (14 out of 14 patents)

Carl H Little (10 out of 13 patents)

Michael G Wisniewski (8 out of 13 patents)

4. Donald R Pangborn (8 out of 9 patents)

5. Daniel Mark Graham (7 out of 12 patents)

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