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Skokie, IL, United States of America

Fel-Pro Incorporated

USPTO Granted Patents = 57

Trademarks = 4

Forward Citations = 847

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64 inventors (with patents filed for the assignee):

Martin Mockenhaupt (5 out of 5 patents)

Colin Chen (5 out of 5 patents)

Gerald A Rosenquist (5 out of 5 patents)

4. Donald J McDowell (4 out of 13 patents)

5. Thomas J Justus (4 out of 4 patents)

6. Michael J Szott (3 out of 3 patents)

7. Daniel E Czernik (3 out of 8 patents)

8. Harry C Kropp (3 out of 3 patents)

9. Gary J Novak (3 out of 4 patents)

10. Thomas O Zurfluh (2 out of 19 patents)

11. Michael J Maloney (2 out of 8 patents)

12. Albert Henhapl (2 out of 2 patents)

13. Josefino Tibayan Inciong (2 out of 12 patents)

14. Mark J Adelizzi (2 out of 2 patents)

15. Robert H Morris (2 out of 3 patents)

Core Competencies:

Gasket

Elastomeric Seal

Multi-Layer

Head Gasket

Automotive Engine

Sealing Assembly

Compression Limiter

Temperature Compensation

Expanded Graphite

Rubber Molded

Sensor System

Beaded Seal

57 patents: Sort by Forward Citations

1. 6503435 - Method of making a gasket having an elastomeric seal (2003-01-07),

2. 6113109 - Expanded graphite gasket with beaded stress risers (2000-09-05),

3. 6039323 - Rubber molded gasket with compression limiter (2000-03-21),

4. 5970612 - Method of making head gasket with improved armoring (1999-10-26),

5. 5934682 - Head gasket with preflattened wire rings and method of making and using (1999-08-10),

6. 5934681 - Expandable gasket and method of making same (1999-08-10),

7. 5895057 - Head gasket assembly for very closely adjacent cylinder bores with (1999-04-20),

8. 5806857 - Gasket layer identifiers (1998-09-15),

9. 5801303 - Method and gauge for correctly reassembling a V-engine (1998-09-01),

10. 5780746 - Minimum thickness force sensor with temperature compensation (1998-07-14),

11. 5772215 - Head gasket with improved armoring and method of making same (1998-06-30),

12. 5722670 - Sealing assembly and multi-layer gasket for resisting facing (1998-03-03),

13. 5687975 - Sealing assembly employing oppositely directed wedges and complementary (1997-11-18),

14. 5673920 - Gasket bolt hole with retaining beam and slot (1997-10-07),

15. 5659132 - Gasket enclosed sensor system (1997-08-19),

Company Overview

Fel-Pro Incorporated, based in Skokie, Illinois, specializes in the development and manufacturing of high-performance gasket solutions for the automotive industry. The company is recognized for its expertise in gasket technology, focusing on elastomeric seals, multi-layer gaskets, and head gaskets that ensure optimal engine performance and reliability. Fel-Pro's innovations in sealing assemblies and compression limiters are designed to meet the demanding requirements of modern automotive engines, emphasizing temperature compensation and durability.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

57 Patents

#3 in Skokie, IL

#346 in Illinois

#6,249 in US

#12,563 in the World

Skokie, IL, United States of America

Fel-Pro Incorporated

Forward Citations = 847

64 inventors:

Martin Mockenhaupt (5 out of 5 patents)

Colin Chen (5 out of 5 patents)

Gerald A Rosenquist (5 out of 5 patents)

4. Donald J McDowell (4 out of 13 patents)

5. Thomas J Justus (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fel-Pro Incorporated. Retrieved from https://idiyas.com/company/fel-pro

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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