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All Patents in class 236/92R
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
85,792Jan. 12, 1869G.H. ClemensImprovement in steam safety-valvessteam safety valves
1,950,501Mar. 13, 1934J.J. MacKayRock crushing plantore processing apparatus
2,129,499Sep. 06, 1938W.S. LandonControl Deviceflow controls
2,183,650Dec. 19, 1939G.L. Gundersen, E. KlafstadRelief Valvesteam safety valves
2,209,216Jul. 23, 1940D.D. WileControl Deviceheating apparatus
2,215,947Sep. 24, 1940D.D. WileRefrigerating Apparatusrefrigeration apparatus
2,242,334May 20, 1941D.D. WileRefrigerating Systemrefrigeration apparatus
2,287,433Jun. 23, 1942E. KlafstadSystem for Safeguarding the Operation of Steam Boilerssteam safety valves
2,306,768Dec. 29, 1942D.D. WileControl Devicerefrigeration apparatus
2,357,795Sep. 12, 1944W.E. Cowley, E.J. DillmanValverefrigeration apparatus
2,408,919Oct. 08, 1946F.Y. Carter, E.J. DillmanRefrigeration Expansion Valverefrigeration apparatus
2,577,450Dec. 04, 1951F.Y. CarterRefrigeration Expansion Valvevalves
2,598,351May 27, 1952F.Y. CarterThermostatic Valvetemperature controls
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