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)

Core Competencies:

Double Gas Seal

Mechanical Seal

Face Seal

Grease Seal

Pump Box

Shaft Alignment

Fluid Film Seal

Magnetic Seal

Bearing Protector

Bellows Seal

Non-Contacting Seal

Labyrinth Seal

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),

Company Overview

Durametallic Corporation specializes in the design and manufacture of high-performance sealing solutions for various industrial applications. With a focus on fluid handling and containment, the company develops innovative products that cater to the needs of sectors such as oil and gas, chemical processing, and power generation. Headquartered in Kalamazoo, MI, Durametallic is committed to advancing sealing technology, ensuring reliability and efficiency in critical operations across diverse markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

32 Patents

#8 in Kalamazoo, MI

#397 in Michigan

#10,599 in US

#20,671 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Durametallic Corporation. Retrieved from https://idiyas.com/company/durametallic

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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