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All Patents in class 72/412
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
801XNov. 04, 1807J. Beaumont, R. WheatleyMode of Making Stove Pipesstove pipes
1,553Apr. 15, 1840W. FieldManner of Manufacturing Screw-Augersmaking drills and augers
56,602Jul. 24, 1866H.W. PellImproved Dies for Forming the Heads of Wrencheswrench jaw components
109,115Nov. 08, 1870J. CunninghamImprovement in apparatus for fitting and setting axlesspecialty woodworking machines
138,617May 06, 1873H.M. CrippenSwaging Machinesmetal swaging machines
414,030Oct. 29, 1889J.A. FacerSteam Hammer for Forging Steel Wheelssteam hammers
542,127Jul. 02, 1895W.H. WoodCircular Flanging Machinesheet metal flanging machines
568,911Oct. 06, 1896W.C. KroegherWelding Machinewelding machines
578,731Mar. 16, 1897F.L. Eberhardt, U. EberhardtWrought Metal Gear Wheel and Mechanism for Making Sameindustrial machine gearing
672,552Apr. 23, 1901J.P. HarringtonShaft-upsetting hammerdrop hammers
877,315Jan. 21, 1908W. FehrMetal Swaging Machinemetal swaging machines
1,121,675Dec. 22, 1914A.O. SlentzPower slip-joint-forming machinesheet metal flanging machines
1,273,441Jul. 23, 1918E.A. BardwellMethod or Process of Nurlingpin punches
1,910,839May 23, 1933J. JensenTool for punching, riveting, and like operationsriveting tools
2,742,802Apr. 24, 1956H.A. Weyer, E.C. ClarkeImpact devicedrop hammers
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