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All Patents of Type: pipe making machines
Patents 1 - 11 of 11
First set of recordsLast set of records
8,092XMar. 18, 1834A. CoffmanMachine for making stone or earthen pipes (Pipes and tubes)pipe making machines
30,044Sep. 18, 1860A. BradyImprovement in casting pipepipe making machines
133,636Dec. 03, 1872W.T. FarreImprovement in machines for bending tubingpipe and tube benders
RE5,581Sep. 30, 1873W.T. FarreImprovement in machines for bending tubingpipe and tube benders
RE5,582Sep. 30, 1873W.T. FarreImprovement in the methods of bending tubingpipe and tube benders
382,142May 01, 1888G. CummingPipe-riveting machinepipe making machines
407,675Jul. 23, 1889H.F. Grimmesey, J.F. McNuttTube Bending Machinepipe and tube benders
1,184,947May 30, 1916J.A. Gossett, J.C. HewittPipe-forming machinepipe making machines
2,824,381Feb. 25, 1958R.J. TraupmannPre-Indicator of Pipe Positions and Bendspipe and tube benders
2,867,261Jan. 06, 1959R.J. TraupmannPipe Bender with Bend Indicator Meanspipe and tube benders
3,478,557Nov. 18, 1969A.F. TremblayTube Reducing Machinepipe making machines
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