Mark Knapp — 22 Patents at Springseal

Mark Knapp has been granted 22 US patents while listed as an inventor at Springseal. The first was granted in 2002 and the most recent in April 2023. Mark Knapp ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Mark Knapp in Ravenna, OH, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date
11629803	Pipe coupling assembly	—	2023-04-18
D980954	Coupling assembly	—	2023-03-14
11400782	Axle assembly and method of manufacture i'hereof	—	2022-08-02
D865918	Coupling assembly	—	2019-11-05
10046516	Flexible hinge gasket	—	2018-08-14
9752711	Pipe coupling assembly	—	2017-09-05
9746112	Permanently lubricated film gasket and method of manufacture	—	2017-08-29
9228684	Sealing gasket	—	2016-01-05
8834761	Permanently lubricated film gasket and method of manufacture	—	2014-09-16
8801049	Pipe coupling system and method	—	2014-08-12
8747584	Flashless welding method and apparatus	—	2014-06-10
D706908	Gasket	—	2014-06-10
8727387	Pipe coupling assembly	—	2014-05-20
8678399	Gasket	—	2014-03-25
8474830	Gasket	—	2013-07-02
7861757	Flashless welding method and apparatus	—	2011-01-04
7731884	Molded gasket and method of making	Jeffrey M. Smith	2010-06-08
7503992	Flashless welding method and apparatus	—	2009-03-17
7469905	Permanently lubricated film gasket and method of manufacture	—	2008-12-30
6550775	Annular gasket	—	2003-04-22
6367802	Annular gasket with locking structure	—	2002-04-09
6336640	Gasket	—	2002-01-08

Mark Knapp — 22 Patents

Issued Patents All Time

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