For the Inventor, By the Inventor

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Kalamazoo, MI, United States of America

Durametallic Corporation

USPTO Granted Patents = 32

Trademarks = 4

Forward Citations = 672

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23 inventors (with patents filed for the assignee):

Josef Sedy (9 out of 10 patents)

Kenneth G Kakabaker (7 out of 7 patents)

William V Adams (6 out of 7 patents)

4. Lowell E Hershey (3 out of 3 patents)

5. Duane A Avard (3 out of 3 patents)

6. Christopher D McCowey (2 out of 4 patents)

7. Joseph C Parker (2 out of 4 patents)

8. Harry L Mason (2 out of 2 patents)

9. Thomas E Cook (2 out of 2 patents)

10. Leroy A Waling (1 out of 2 patents)

11. Louis H Avard (1 out of 1 patent)

12. Dag O Calafell, Ii (1 out of 1 patent)

13. Rudolf Hirz (1 out of 1 patent)

14. Eric Vanhie (1 out of 1 patent)

15. John R Vesey (1 out of 1 patent)

32 patents: Sort by Forward Citations

1. 5941531 - Double gas seal having an improved bellows arrangement (1999-08-24),

2. 5924697 - Double gas seal with bellows supported by backing and support rings (1999-07-20),

3. 5803463 - Grease seal (1998-09-08),

4. 5762342 - Mechanical seal with controller for regulating face contact pressure (1998-06-09),

5. 5722665 - Spiral groove face seal (1998-03-03),

6. 5702110 - Face seal with angled grooves and shallow annular groove (1997-12-30),

7. 5630699 - Pump box with replaceable erosion protector (1997-05-20),

8. 5560622 - Secondary seal for non-contacting face seal assembly (1996-10-01),

9. 5558342 - Mechanical seal with spring drive (1996-09-24),

10. 5556111 - Face seal with angled grooves and shallow annular groove (1996-09-17),

11. 5551708 - Face ring retainer arrangement for mechanical seal (1996-09-03),

12. 5533739 - Non-contacting seal with centering spring mounted in dovetailed grooved (1996-07-09),

13. 5531458 - Face seal with angled grooves (1996-07-02),

14. 5498007 - Double gas barrier seal (1996-03-12),

15. 5479718 - Shaft alignment device (1996-01-02),

Durametallic Corporation specializes in providing reliable sealing solutions for various industries. With over 100 years of experience, Durametallic has established itself as a trusted name in advanced sealing technologies. Our products and services cater to oil and gas, chemical processing, power generation, and other sectors. By combining innovative engineering techniques with superior materials, we deliver highly efficient and durable sealing solutions that meet the most demanding requirements. Visit our website to learn more about our comprehensive range of products and find the ideal sealing solution for your application.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

32 Patents

#8 in Kalamazoo, MI

#396 in Michigan

#10,580 in US

#20,635 in the World

Kalamazoo, MI, United States of America

Durametallic Corporation

Forward Citations = 672

23 inventors:

Josef Sedy (9 out of 10 patents)

Kenneth G Kakabaker (7 out of 7 patents)

William V Adams (6 out of 7 patents)

4. Lowell E Hershey (3 out of 3 patents)

5. Duane A Avard (3 out of 3 patents)

Please report any incorrect information to [email protected]

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