For the Inventor, By the Inventor

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Marion, SC, United States of America

Avm, Incorporated

USPTO Granted Patents = 42

% Expired Patents = 4.8

Forward Citations = 612

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29 inventors (with patents filed for the assignee):

James B Chamberlin (10 out of 19 patents)

Mark S Jeffries (10 out of 10 patents)

George C Ludwig (9 out of 32 patents)

4. William L Sheppard (8 out of 14 patents)

5. Walter Douglas Bauman (7 out of 15 patents)

6. Jack R Roach (6 out of 11 patents)

7. Forest G Stark (5 out of 8 patents)

8. Archie L Evans (3 out of 3 patents)

9. Maurice Ladd (2 out of 2 patents)

10. Dennis J Signore (2 out of 2 patents)

11. Daniel P Dodson (2 out of 2 patents)

12. Chihping Kuan (1 out of 7 patents)

13. Shelley Lynn Bolbrugge (1 out of 3 patents)

14. Joseph Benjamin Saxon (1 out of 11 patents)

15. Adam Kyle Cramton (1 out of 3 patents)

Core Competencies:

Vehicle Lift Gate

Gas Springs

Dampers

Pneumatic Counterbalance

Temperature Compensation

Ball Socket Connector

End Connector Assembly

Butterfly Valve

Vacuum System

Fluid Valves

Drawer Suspension

Electronic Voting Machine

42 patents: Sort by Forward Citations

1. 7267390 - Vehicle decklid system with planetary gear (2007-09-11),

2. 6860670 - End connector assembly (2005-03-01),

3. 6707173 - Linear actuator for a powered vehicle lift gate (2004-03-16),

4. 6425279 - Method of manufacturing gas springs (2002-07-30),

5. 6179297 - Seal (2001-01-30),

6. 5921557 - Seal for gas springs and the like (1999-07-13),

7. 5921556 - Seal for gas springs and the like (1999-07-13),

8. 5913391 - Damper (1999-06-22),

9. 5896959 - Bi-directional damper with a self-centering mechanism (1999-04-27),

10. 5895053 - Seal for gas springs and the like (1999-04-20),

11. 5833383 - Ball socket connector (1998-11-10),

12. 5722643 - Temperature compensated safety gas spring (1998-03-03),

13. 5676484 - Connector with insert molded captive ball (1997-10-14),

14. 5628496 - Pneumatic spring (1997-05-13),

15. 5579874 - Adjustable speed gas spring (1996-12-03),

Avm, Incorporated, based in Marion, SC, specializes in advanced automotive components, focusing on innovative systems that enhance vehicle functionality and performance. The company develops a range of technologies including vehicle decklid systems, linear actuators, and gas springs, which are integral to modern automotive design. Additionally, Avm's expertise extends to pneumatic counterbalance systems and temperature compensated solutions, reflecting its commitment to engineering excellence in the automotive sector.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

42 Patents

#1 in Marion, SC

#55 in South Carolina

#8,248 in US

#16,326 in the World

Marion, SC, United States of America

Avm, Incorporated

Forward Citations = 612

29 inventors:

James B Chamberlin (10 out of 19 patents)

Mark S Jeffries (10 out of 10 patents)

George C Ludwig (9 out of 32 patents)

4. William L Sheppard (8 out of 14 patents)

5. Walter Douglas Bauman (7 out of 15 patents)

Please report any incorrect information to [email protected]

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