John Clark has been granted 13 US patents while listed as an inventor at Steelcase Development . The first was granted in 1981 and the most recent in November 2023. John Clark ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list John Clark in East Stroudsburg, PA, US.
Patents per Year Patents granted per year, 1981 to 2023 Bar chart with a peak of 2 patents in 1987. peak 2 1981: 1 patents 1981 1987: 2 patents 1987 1989: 1 patents 1989 1992: 1 patents 1992 1996: 1 patents 1996 1997: 1 patents 1997 2008: 1 patents 2008 2009: 2 patents 2009 2017: 1 patents 2017 2023: 2 patents 2023
Issued Patents All Time
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Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
D1004022 Tandem surf bodyboard Manya Clark , Alleanna Clark , Juliette Clark , Lyla Clark 2023-11-07
11679845 Inflatable tandem surf bodyboard Manya Clark , Alleanna Clark , Juliette Clark , Lyla Clark 2023-06-20
9756841 Fishing hook setter Dennis Clark 2017-09-12
D587033 Cabinet Kirt Martin , David C. Eberlein 2009-02-24
D587034 Cabinet Kirt Martin , David C. Eberlein 2009-02-24
D568631 Cabinet Kirt Martin , David C. Eberlein 2008-05-13
D378365 Windshield wiper unit Michael E. Fitzgerald , James Patrick Witek , William Arthur Powell 1997-03-11
D372012 Windshield wiper unit Michael E. Fitzgerald , James Patrick Witek , William Arthur Powell 1996-07-23
5097902 Progressive cavity pump for downhole inflatable packer — 1992-03-24
$9,883,000
4831745 Reducing residual moisture on caster rolls William Hayes Just Brooks , Weldon C. Ball 1989-05-23
4683398 Projection television display tube and device having interference filter Leendert Vriens , Johannes H. M. Spruit 1987-07-28
$801,000
4635711 Double wall heat exchanger — 1987-01-13
$4,890,000
4278069 Water heater — 1981-07-14
$2,629,000
