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All Patents of Type: pipe making machines
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,092XMar. 18, 1834A. CoffmanMachine for making stone or earthen pipes (Pipes and tubes)pipe 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
407,675Jul. 23, 1889H.F. Grimmesey, J.F. McNuttTube Bending Machinepipe and tube benders
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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