For the Inventor, By the Inventor

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Lebanon, TN, United States of America

Permobil, Inc.

USPTO Granted Patents = 11

EPO Patents = 1

Trademarks = 1

Forward Citations = 1

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12 inventors (with patents filed for the assignee):

Steven DuFresne (5 out of 32 patents)

Ross P Peyton (5 out of 8 patents)

David Michael Hopp (4 out of 9 patents)

4. Kevin C Meier (4 out of 34 patents)

5. Douglas Michael Garven, Jr (3 out of 3 patents)

6. Steven B Long (2 out of 12 patents)

7. Adam Karpinski (1 out of 4 patents)

8. Benjamin Gasser (1 out of 5 patents)

9. Benjamin Phillip Hemkens (1 out of 3 patents)

10. William Alexander Emfinger (1 out of 3 patents)

11. Conor Sullivan (1 out of 1 patent)

12. Spencer Cookson (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 12508179 - Wheelchair (2025-12-30),

2. 12502320 - System to adjust drive operation and performance in response to detection of a front add-on for a wheelchair (2025-12-23),

3. 12420587 - Caster adjustment assembly for a wheelchair (2025-09-23),

4. 12196331 - Valve assembly for an air cushion (2025-01-14),

5. 12178767 - Multi-position airflow control assembly for an air cushion (2024-12-31),

6. D1054331 - Wheelchair (2024-12-17),

7. D1054330 - Wheelchair (2024-12-17),

8. 11857471 - Adjustable seat cushion (2024-01-02),

9. 11801175 - Multi-position airflow control assembly for an air cushion (2023-10-31),

10. 11739854 - Valve assembly for an air cushion (2023-08-29),

11. 11389350 - Adjustable back support (2022-07-19),

Permobil is a global leader in advanced rehab technology, specializing in power wheelchairs, seating and positioning systems, and manual wheelchairs. With a focus on innovative solutions and user-centered design, Permobil is dedicated to improving the quality of life for individuals with disabilities.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

11 Patents

#6 in Lebanon, TN

#290 in Tennessee

#26,747 in US

#50,241 in the World

Lebanon, TN, United States of America

Permobil, Inc.

Forward Citations = 1

12 inventors:

Steven DuFresne (5 out of 32 patents)

Ross P Peyton (5 out of 8 patents)

David Michael Hopp (4 out of 9 patents)

4. Kevin C Meier (4 out of 34 patents)

5. Douglas Michael Garven, Jr (3 out of 3 patents)

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