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Ravenna, OH, United States of America

Springseal, Inc.

USPTO Granted Patents = 19

% Expired Patents = 10.5

Trademarks = 4

Forward Citations = 160

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2 inventors (with patents filed for the assignee):

Mark Knapp (19 out of 35 patents)

Jeffrey Michael Smith (1 out of 5 patents)

19 patents: Sort by Forward Citations

1. 11629803 - Pipe coupling assembly (2023-04-18),

2. D980954 - Coupling assembly (2023-03-14),

3. 11400782 - Axle assembly and method of manufacture i'hereof (2022-08-02),

4. D865918 - Coupling assembly (2019-11-05),

5. 10046516 - Flexible hinge gasket (2018-08-14),

6. 9752711 - Pipe coupling assembly (2017-09-05),

7. 9746112 - Permanently lubricated film gasket and method of manufacture (2017-08-29),

8. 9228684 - Sealing gasket (2016-01-05),

9. 8834761 - Permanently lubricated film gasket and method of manufacture (2014-09-16),

10. 8801049 - Pipe coupling system and method (2014-08-12),

11. D706908 - Gasket (2014-06-10),

12. 8747584 - Flashless welding method and apparatus (2014-06-10),

13. 8727387 - Pipe coupling assembly (2014-05-20),

14. 8678399 - Gasket (2014-03-25),

15. 8474830 - Gasket (2013-07-02),

Springseal, Inc. is a specialized manufacturer based in Ravenna, Ohio, focusing on innovative sealing solutions and advanced materials. The company is dedicated to developing high-performance products that cater to various industries, including automotive, aerospace, and industrial applications. With a commitment to research and development, Springseal leverages cutting-edge technology to enhance product durability and efficiency, ensuring that their solutions meet the evolving needs of their clients in a competitive market.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Springseal, Inc.

19 Patents

#1 in Ravenna, OH

#738 in Ohio

#17,123 in US

#32,623 in the World

Ravenna, OH, United States of America

Springseal, Inc.

Forward Citations = 160

2 inventors:

Mark Knapp (19 out of 35 patents)

Jeffrey Michael Smith (1 out of 5 patents)

Please report any incorrect information to [email protected]

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