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For the Inventor, By the Inventor

Jamestown, NY, United States of America

Weber Knapp Company


USPTO Granted Patents = 49

% Expired Patents = 2.0

Trademarks = 3

Forward Citations = 927

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21 inventors (with patents filed for the assignee):

goldMedal Richard L Watt (14 out of 14 patents)

silverMedal Carl H Little (10 out of 13 patents)

bronzeMedal Michael G Wisniewski (8 out of 13 patents)

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

5.  Daniel Mark Graham (8 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)


Core Competencies:
Counterbalance
Adjustable Work Surface
Keyboard Support
Mechanism
Lid Assembly
Drum Smoker
Hinge
Motorized Lift
Safety Interlock
Hood Latch
Sliding Tray
Reclining Chair

49 patents:

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. 10753135 - Counterbalance and method of making the same (2020-08-25),
7. 10221603 - Counterbalance and method of making the same (2019-03-05),
8. D818342 - Counterbalance (2018-05-22),
9. D818341 - Counterbalance (2018-05-22),
10. 8899540 - Counterbalance mechanism (2014-12-02),
11. 8296906 - Four bar hinge (2012-10-30),
12. 7455270 - Support arm mechanism (2008-11-25),
13. D517607 - Combination document holder and writing surface mechanism (2006-03-21),
14. 6912119 - Sliding keyboard tray set (2005-06-28),
15. 6688563 - Support for a mouse surface (2004-02-10),
Company Overview
Weber Knapp Company, based in Jamestown, NY, specializes in the design and manufacture of innovative mechanical solutions. The company is recognized for its expertise in counterbalance mechanisms, adjustable work surfaces, and motorized lift mechanisms, catering to various industries. Their product offerings also include advanced keyboard support mechanisms and safety interlock braking systems, enhancing ergonomics and safety in work environments. Additionally, Weber Knapp develops specialized assemblies, such as pizza oven components, showcasing their versatility in engineering and manufacturing.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Weber Knapp Company USPTO Patent Assignee Logo
49 Patents

#2 in Jamestown, NY

#441 in New York

#7,142 in US

#14,277 in the World

Jamestown, NY (US)
Jamestown, NY, United States of America

Weber Knapp Company

Forward Citations = 927

21 inventors:

goldMedal Richard L Watt (14 out of 14 patents)

silverMedal Carl H Little (10 out of 13 patents)

bronzeMedal Michael G Wisniewski (8 out of 13 patents)

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

5.  Daniel Mark Graham (8 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Weber Knapp Company. Retrieved from https://idiyas.com/company/weber-knapp-company

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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