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Elgin, IL, United States of America

Chicago Rawhide Manufacturing Co.

USPTO Granted Patents = 31

CIPO Patents = 5

Trademarks = 3

Forward Citations = 645

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28 inventors (with patents filed for the assignee):

Keith W Christiansen (5 out of 11 patents)

Glenn W Peisker (3 out of 5 patents)

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)

31 patents: Sort by Forward Citations

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),

Chicago Rawhide Manufacturing Co. is a leading manufacturer of industrial sealing solutions with a strong presence in the global market. With over 100 years of expertise, we specialize in designing and producing high-quality seals, bearings, and related products for various industries, including automotive, aerospace, oil and gas, and more. Our commitment to innovation, superior quality, and exceptional customer service has earned us a reputation as a trusted partner in the sealing industry. Visit our website to explore our extensive range of products and learn how we can meet your sealing needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

31 Patents

#7 in Elgin, IL

#565 in Illinois

#10,551 in US

#20,625 in the World

Elgin, IL, United States of America

Chicago Rawhide Manufacturing Co.

Forward Citations = 645

28 inventors:

Keith W Christiansen (5 out of 11 patents)

Glenn W Peisker (3 out of 5 patents)

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)

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