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Patents for Providence Steam Engine Co.
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
4,202Sep. 19, 1845F.E. SickelsMode of connecting steam-cylinders with steam-chestssteam engine valve gear
12,507Mar. 13, 1855N.T. GreeneCut-off valve for steam-enginessteam engine valve gear
RE565Jun. 01, 1858F.E. SickelsImprovement in the mode of connecting steam-cylinders with steam-chestssteam engine valve gear
68,555Sep. 03, 1867O.C. BurdictImproved machine for heading boltsnut or bolt making machines
97,351Nov. 30, 1869O.C. BurdictImproved bolt-heading machinenut or bolt making machines
335,933Feb. 09, 1886H.J. JohnsonMechanism for regulating steam-enginessteam engine governors
389,146Sep. 04, 1888N.T. GreeneValve-gear for steam-enginessteam engine valve gear
422,769Mar. 04, 1890N.T. GreeneLiberating valve-gear for enginessteam engine valve gear
424,605Apr. 01, 1890N.T. GreeneExhaust-valve for enginessteam engine valves
425,219Apr. 08, 1890N.T. GreeneExhaust-valve-gear for enginessteam engine valve gear
439,349Oct. 28, 1890N.T. GreeneSlide-valve for steam-enginessteam engine valves
444,699Jan. 13, 1891N.T. GreeneSafety valve-gear for steam-enginessteam engine valve gear
495,221Apr. 11, 1893N.T. GreeneSteam-piston packingsteam engine packing
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