Trademarks = 11

Forward Citations = 21

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9 inventors (with patents filed for the assignee):

Andrew J Hulstein (5 out of 5 patents)

Charles C Olson (5 out of 5 patents)

Marshall J Fegers (5 out of 5 patents)

4. James H Sandlin (1 out of 2 patents)

5. James H Jordan (1 out of 1 patent)

6. Kyle G Tucker (1 out of 2 patents)

7. Rodney M Sanderson (1 out of 2 patents)

8. Christopher R Stein-Martin (1 out of 2 patents)

9. Jeffery D Horton (1 out of 2 patents)

7 patents: Sort by Forward Citations

1. 12590629 - Differential housing (2026-03-31),

2. 11105390 - Shock absorber with dry valving (2021-08-31),

3. 11085502 - Bleed needle for a hydraulic system (2021-08-10),

4. D872837 - Bleed needle (2020-01-14),

5. D869259 - Valve component (2019-12-10),

6. D866408 - Shock absorber (2019-11-12),

7. 7144182 - Ball joint construction (2006-12-05),

Company Overview

QA1 Precision Products, Inc. is a leading manufacturer of high-performance suspension components, driveshafts, rod ends, and related products. With over 25 years of experience, QA1 is known for its innovative solutions and commitment to quality. Their products are used in a variety of industries including motorsports, automotive aftermarket, and industrial applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#11 in Lakeville, MN

#1,120 in Minnesota

#39,879 in US

Lakeville, MN, United States of America

Qa1 Precision Products, Inc.

Forward Citations = 21

9 inventors:

Andrew J Hulstein (5 out of 5 patents)

Charles C Olson (5 out of 5 patents)

Marshall J Fegers (5 out of 5 patents)

4. James H Sandlin (1 out of 2 patents)

5. James H Jordan (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Qa1 Precision Products, Inc.. Retrieved from https://idiyas.com/company/qa1-precision-products

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]