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For the Inventor, By the Inventor

Elgin, IL, United States of America

Chicago Rawhide Manufacturing Co.

Calculating rank
USPTO Granted Patents = 31


Trademarks = 3

Forward Citations = 653

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27 inventors (with patents filed for the assignee):

goldMedal Keith W Christiansen (5 out of 11 patents)

silverMedal Glenn W Peisker (3 out of 5 patents)

bronzeMedal Kenneth F Gabrys (3 out of 5 patents)

4.  Jerry D Reichenbach (3 out of 7 patents)

5.  Ronald A Jackowski (3 out of 4 patents)

6.  Yuri Ackerman (2 out of 2 patents)

7.  Burton K Olsson (2 out of 4 patents)

8.  Richard A Romero (2 out of 2 patents)

9.  Peter Szcupak (2 out of 2 patents)

10.  Boris Dinzburg (1 out of 4 patents)

11.  Gregory R Vassmer (1 out of 1 patent)

12.  Steve A Mims (1 out of 3 patents)

13.  Douglas A Cather, Jr (1 out of 12 patents)

14.  Boyce J Lear, Jr (1 out of 1 patent)

15.  Joseph A Gutierrez (1 out of 1 patent)


Core Competencies:
Rotary Shaft Seal
Fluid Seal
Composite Seal
Wear Sleeve
Gas Pressure Spring
Multi-Purpose Seal
Flexible Materials
Injection Molding
Elastomeric Bearing
Mold Assembly
Thrust Bumper
Seal Assembly

31 patents:

1. 5244215 - Rotary shaft seal with retractable excluder lip (1993-09-14),
2. 5183269 - Unitized grit seal with removable thrust bumper (1993-02-02),
3. 5183267 - Seal for sending unit (1993-02-02),
4. 5178017 - Test fixture for measuring stiffness in flexible materials (1993-01-12),
5. 5176215 - Composite drain plug (1993-01-05),
6. 5152538 - Composite seal assembly (1992-10-06),
7. 4934668 - Unitary seal for gas pressure spring assembly (1990-06-19),
8. 4738606 - Mold assembly for forming a seal unit (1988-04-19),
9. 4613005 - Unitized seal for severe service applications (1986-09-23),
10. 4531748 - Fluid seal with unitary wear sleeve element (1985-07-30),
11. 4527673 - Multi-purpose fluid seal for movement control dampers and the like (1985-07-09),
12. 4508020 - Multi-function fluid seal for dampers and the like (1985-04-02),
13. 4501431 - Composite teflon helix seal (1985-02-26),
14. 4448426 - Unitized oil seals (1984-05-15),
15. 4433846 - Readily removable shaft seal including venting tab (1984-02-28),
Company Overview
Chicago Rawhide Manufacturing Co., based in Elgin, Illinois, specializes in the development and production of sealing solutions and related components. The company is recognized for its expertise in manufacturing high-quality seals, gaskets, and other critical components used across various industries, including automotive, aerospace, and industrial applications. With a focus on innovation and quality, Chicago Rawhide plays a significant role in enhancing the performance and reliability of machinery and equipment in diverse markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

31 Patents

#8 in Elgin, IL

#590 in Illinois

#10,951 in US

#21,306 in the World

Elgin, IL (US)
Elgin, IL, United States of America

Chicago Rawhide Manufacturing Co.

Forward Citations = 653

27 inventors:

goldMedal Keith W Christiansen (5 out of 11 patents)

silverMedal Glenn W Peisker (3 out of 5 patents)

bronzeMedal Kenneth F Gabrys (3 out of 5 patents)

4.  Jerry D Reichenbach (3 out of 7 patents)

5.  Ronald A Jackowski (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chicago Rawhide Manufacturing Co.. Retrieved from https://idiyas.com/company/chicago-rawhide-manufacturing-company

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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