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All Patents in class 100/46
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,900,050Mar. 07, 1933W. ErnstHydraulic Press Platen Travel Equalizer hydraulic presses
2,978,976Apr. 11, 1961M.W. Hazelton, R.E. Griesheimer, C.J. OstendorfLevel control for press brakes and the likesheet metal brakes
3,059,431Oct. 23, 1962F.E. Munschauer, Jr., G.H. Trautman, Jr., C.O. Jones, Jr.Hydraulic power transmission systems for press brakes and like machinespunch presses
3,120,799Feb. 11, 1964H.B. Van Auken, J.J. StrnadPlaten-leveling control system for hydraulically-actuated brake presseshydraulic metalworking presses
4,148,203Apr. 10, 1979B.R. Everett, A. FarazandehComputer-controlled press brakesheet metal brakes
4,828,474May 09, 1989R. BallantyneHydraulic cylinder device for platen spacing indication and controlhydraulic metalworking presses
5,156,782Oct. 20, 1992R. BallantyneMaintaining press platens in parallel relationshiphydraulic metalworking presses
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