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All Patents in class 285
Patents 1 - 15 of 76
First set of recordsNext set of recordsLast set of records
8,909XJun. 19, 1835J. GouldingMode of preparing and screwing in boiler pipesstationary boilers
5,357Nov. 06, 1847C.W. Noyes, T.W. AllenPiston-Rod Packingpiston ring and packing
11,858Oct. 31, 1854H.H. EvartsShingle machineshingle machines
30,678Nov. 20, 1860B. HollyHose Coupling Nutplumber
40,082Sep. 22, 1863F.A. PrattImprovement in attaching pumps to bungs of barrels
49,142Aug. 01, 1865J. OldPipe Couplingpipe wrenches
51,910Jan. 09, 1866E. BarbarouxPipe-coupling
100,243Feb. 22, 1870B.F. SturtevantMethod of Uniting Tubes to Tube Sheets
107,188Sep. 06, 1870S. MalesImprovement in urinals
116,090Jun. 20, 1871W.S. PattinImprovement in Extension-Shanks for Boring-Bitsdrill bit extensions
116,655Jul. 04, 1871G. Westinghouse, Jr.Improvement in valve devices for steam-power air-brake couplings
134,548Jan. 07, 1873J.C. HoadleyCheck-Valvessteam check valves
137,717Apr. 08, 1873G.C. Morgan, T.T. ProsserImprovement in pipe-joints
139,457Jun. 03, 1873P.D. Cummings, M. Smith, J.C. JordanImprovement in machines for cutting matchesmatch making machines
174,177Feb. 29, 1876H. AlbrechtImprovement in shaft-couplingsindustrial machine shaft couplings
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