For the Inventor, By the Inventor

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Plymouth, MI, United States of America

Simpson Industries, Inc.

USPTO Granted Patents = 18

Trademarks = 5

Forward Citations = 196

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17 inventors (with patents filed for the assignee):

Robert J Ferguson (4 out of 5 patents)

Robert Veldman (3 out of 15 patents)

David L Killion (3 out of 12 patents)

4. Daniel Brinker (3 out of 8 patents)

5. Brian Elzerman (3 out of 6 patents)

6. Ben Merrill (3 out of 6 patents)

7. William C Sisco (3 out of 4 patents)

8. Michael D Hendrian (2 out of 3 patents)

9. Steven Joseph Chevalier (1 out of 5 patents)

10. Steve J Chevalier (1 out of 1 patent)

11. James Weir (1 out of 1 patent)

12. Glen D Holtz (1 out of 3 patents)

13. Timothy M Haylett (1 out of 1 patent)

14. Ronald S Friedman (1 out of 1 patent)

15. Eric Malcolm Vollett (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 6634266 - Wheel hub assembly fixture (2003-10-21),

2. 6485109 - Knuckle hub assembly and method for making same (2002-11-26),

3. 6244239 - Integrated front end accessory drive system (2001-06-12),

4. 6237442 - High value static unbalance-type balance shafts (2001-05-29),

5. 6216327 - Spoke centered puller tab crankshaft damper hub (2001-04-17),

6. 6212981 - Knuckle hub fixture assembly and method of using (2001-04-10),

7. 6170453 - Oil/air scavenging system for balance shaft housings (2001-01-09),

8. 6167782 - Engine module locator bushing (2001-01-02),

9. 6079942 - Pump seal flushing ring (2000-06-27),

10. 5857388 - Balance shafts having minimal mass (1999-01-12),

11. 5761969 - Torsional vibration damper (1998-06-09),

12. 5483932 - Hollow balance shaft (1996-01-16),

13. 5231893 - Dual mode damper (1993-08-03),

14. 4849047 - Vibration damper bonding system (1989-07-18),

15. 4848183 - Camshaft damper (1989-07-18),

Simpson Industries, Inc. is a leading provider of precision-engineered automotive and industrial components. With a strong commitment to quality and innovation, Simpson Industries has been serving clients worldwide for over 50 years. Our comprehensive range of products includes gear assemblies, transmission components, and suspension parts. We leverage advanced technology and expert engineering to deliver reliable and efficient solutions to meet the unique needs of our customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

18 Patents

#22 in Plymouth, MI

#627 in Michigan

#17,382 in US

#33,147 in the World

Plymouth, MI, United States of America

Simpson Industries, Inc.

Forward Citations = 196

17 inventors:

Robert J Ferguson (4 out of 5 patents)

Robert Veldman (3 out of 15 patents)

David L Killion (3 out of 12 patents)

4. Daniel Brinker (3 out of 8 patents)

5. Brian Elzerman (3 out of 6 patents)

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