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All Patents in class 251/251
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,849XMay 29, 1835J. KirkpatrickBoiler valves and cam of the steam enginestationary boilers
12,507Mar. 13, 1855N.T. GreeneCut-off valve for steam-enginessteam engine valve gear
20,768Jun. 29, 1858J.F. AllenValve-gearing for steam-enginessteam engine valve gear
77,387Apr. 28, 1868W.H. LaubachValve for Gas Engineinternal combustion engine valves
426,510Apr. 29, 1890A.C. MonfortChampagne or Mineral Water Tapchampagne and soda tools
1,990,052Feb. 05, 1935A.M. SosaFluid actuated drill feedradial drill presses
2,496,040Jan. 31, 1950W.W. CrileyControl Valve Mechanism for Clutches and Brakeshydraulic valves
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