| All Patents in class 74/606R |
Patents 31 -
45
of 58
      |
| Number | Date | Patentee | Title | Type |
| 1,624,954 | Apr. 19, 1927 | G.H. Knight | Bull Gear inclosure for Crank Shaping Machines | metalworking machine mechanisms |
| 1,642,863 | Sep. 20, 1927 | W.E. Whipp | Headstock for Lathes | engine lathes |
| 1,664,889 | Apr. 03, 1928 | D.C. Klausmeyer | Detachable Gear Unit | metalworking machine gearing |
| 1,684,665 | Sep. 18, 1928 | W.W. Edwards | Radial drill | radial drill presses |
| 1,710,829 | Apr. 30, 1929 | D.C. Klausmeyer | Sleeve suspension for drills | radial drill presses |
| 1,722,665 | Jul. 30, 1929 | R. Hamilton | Transmission for Fordson tractor | tractors |
| 1,806,582 | May 26, 1931 | F.G. Beutner | Portable electric saw | handheld power tool accessories |
| 1,821,216 | Sep. 01, 1931 | F.G. Hobart, W.C. Heath | Pump | pumps |
| 1,839,549 | Jan. 05, 1932 | F.J. Haller, C.B. Molter | Windmill lubrication system | wind power apparatus |
| 1,843,162 | Feb. 02, 1932 | A.C. Boock, C.B. Jahnke | Power Plant | power plants |
| 1,857,167 | May 10, 1932 | H.J. Heller, G.A. Ungar, U.F. Steindorff | Power-driven shears for cutting sheet material such as metal, leather, cardboard or the like | metal shearing machines |
| 1,971,956 | Aug. 28, 1934 | W.G. Hoelscher | Lathe | metal lathes |
| 2,012,340 | Aug. 27, 1935 | G.W. Emrick | Tapping attachment | tapping heads and chucks |
| 2,058,055 | Oct. 20, 1936 | A.C. Boock | Internal Combustion Engine | internal combustion engines |
| 2,231,465 | Feb. 11, 1941 | G.W. Emrick | Tapping attachment | tapping heads and chucks |
