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All Patents in class 72/155
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
92,134Jun. 29, 1869M.G. WilderImproved machine for bending tubesmetal bending machines
106,603Aug. 23, 1870R. MillerImprovement in machines for bending volute springsmetal bending machines
475,299May 24, 1892C.J. CollingMachine for bending sheet metalmetal bending machines
618,408Jan. 31, 1899E.A. FranklinMachine for Forming Sheet Metalsheet metal forming rolls
878,604Feb. 11, 1908L.H. BrinkmanMachine for Bending Pipepipe bending machines
2,444,718Jul. 06, 1948C.J. BathContour Forming Machine Having a Pivoted Bender With Metal Blank Attached metal bending machines
2,501,241Mar. 21, 1950R.M. Shaw, Jr.Bending Machinemetal bending machines
2,514,830Jul. 11, 1950C.J. BathMetal Stretching and Contour Forming Machine metal stretch forming machines
2,514,831Jul. 11, 1950C.J. BathApparatus for Selectively Wipe Forming and Stretch Forming Metal Stock metal stretch forming machines
2,754,881Jul. 17, 1956R.M. Shaw, Jr.Bending Machines metal bending machines
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