| All Patents in class 74/359 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 204,585 | Jun. 04, 1878 | S.D. Locke | Change Speed Gear | industrial machine gearing |
| 624,017 | May 02, 1899 | F.G. Hampson | Change Driving Gear | metalworking speed changing mechanisms |
| 755,504 | Mar. 22, 1904 | A.E. Robinson, C.F. Laur | Variable Speed Mechanism | |
| 832,381 | Oct. 02, 1906 | J. Hartness | Power Transmitting Mechanism for Metal Working Machines | metalworking power transmission |
| 895,106 | Aug. 04, 1908 | A.E. Newton | Change-speed gearing for engine-lathes | engine lathes |
| 928,240 | Jul. 20, 1909 | J.S. Barnes | Speed-gearing | |
| 946,073 | Jan. 11, 1910 | H.W. Schatz | Variable Speed Mechanism | |
| 1,003,315 | Sep. 12, 1911 | H. Baerbalck, C.D. Gibson | Gearing | metal lathes |
| 1,101,597 | Jun. 30, 1914 | A.P. Weigel | Speed-gearing | drill presses |
| 1,750,555 | Mar. 11, 1930 | W.E. Whipp | Geared Headstock for Lathes | engine lathes |
| 2,075,240 | Mar. 30, 1937 | H.E. Tautz | Speed change mechanism for screw machines | |
| 2,355,623 | Aug. 15, 1944 | E.P. Bullard | Transmission | |
| 2,355,624 | Aug. 15, 1944 | E.P. Bullard, E.N. Cowell, F.H. Mussler | Transmission | |
| 2,355,626 | Aug. 15, 1944 | E.P. Bullard, E.N. Cowell, F.H. Mussler | Transmission | |
| 2,374,322 | Apr. 24, 1945 | C.A. Bickel | Lathe | engine lathes |
