All Patents of Type: metal bending machines |
Patents 1 -
15
of 72
|
Number | Date | Patentee | Title | Type |
6,615X | Jul. 20, 1831 | J. Butterworth | Iron Hoops to Be Applied to the Bottoms of Card and Drawing Cans | metal bending machines |
10,200 | Nov. 01, 1853 | G. Willston | Improvement in machines for straightening or curving rails | metal bending machines |
92,134 | Jun. 29, 1869 | M.G. Wilder | Improved machine for bending tubes | metal bending machines |
106,603 | Aug. 23, 1870 | R. Miller | Improvement in machines for bending volute springs | metal bending machines |
252,853 | Jan. 24, 1882 | A.R. Woodyatt | Machine for bending and shaping metal articles | metal bending machines |
295,851 | Mar. 25, 1884 | H.A. Ainsworth | Metal-bending machine | metal bending machines |
300,140 | Jun. 10, 1884 | P. Ackermann, M. Schlumm | Machine for Bending Metallic Hoops | metal bending machines |
326,746 | Sep. 22, 1885 | W.H. Johnson | Combined Gang Punch and Bending Machine | metal punching machines |
334,455 | Jan. 19, 1886 | W.J. Muncaster | Metal Bending and Straightening Machine | metal bending machines |
408,685 | Aug. 13, 1889 | C.A. Bertsch | Bending Roll | metal bending machines |
458,115 | Aug. 18, 1891 | E. Thomson | Method of Electric Bending and Straightening | metal bending machines |
468,582 | Feb. 09, 1892 | H.A. Schneekloth | Machine for bending metal bars | metal bending machines |
468,659 | Feb. 09, 1892 | E. Heyde | Bending-roll | metal bending machines |
491,968 | Feb. 14, 1893 | W. Lewis | Bending-roll | metal bending machines |
500,286 | Jun. 27, 1893 | W. Lewis | Bending-roll | metal bending machines |