Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 137
Patents 1 - 15 of 322
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
909Sep. 08, 1838J.M. JordenImprovement in Fire-Plugs and Hydrants to Prevent the Water From Freezing in Themauxiliary wrenches
6,128Feb. 20, 1849J. MulberyShort Slide-Valve by Chamfering Corners
7,755Nov. 05, 1850J. Judson, A. JudsonValve for governorssteam engine governors
7,886Jan. 07, 1851W. MaguireMachine for jointing stavesbarrel making machines
7,964Mar. 04, 1851H. WatermanVariable Cut-Off Regulated by the Governorsteam engine governors
8,376Sep. 23, 1851W. MerrellLath-machinelath making machines
9,103Jul. 06, 1852E. RogersMode of Grinding Puppet-Valves While the Engine is in Motionsteam engine valves
9,336Oct. 12, 1852J. TremperGovernorsteam engine governors
12,122Jan. 02, 1855T.H. BurleyDovetailing machinedovetailing machines
14,424Mar. 11, 1856E. TracyWrenchnut wrenches
16,695Feb. 24, 1857A. Shewman, L.E. Bigelow, A. RobinsSaw-filesaw sharpening machines
17,433Jun. 02, 1857L.J. KnowlesFaucet
20,919Jul. 13, 1858B. HollyDamper
21,281Aug. 24, 1858W.G. SterlingGas Regulator
22,284Dec. 14, 1858J. FrickFeed-water and blow-off apparatus for steam-boilersstationary boilers
Toggle print mode
Show pictures

Copyright © 2002-2019 - DATAMP