| All Patents in class 74/378 |
Patents 16 -
30
of 43
      |
| Number | Date | Patentee | Title | Type |
| 734,691 | Jul. 28, 1903 | H.L. Flather | Change Speed Gearing for Lathes, &c. | metalworking speed changing mechanisms |
| 738,246 | Sep. 08, 1903 | S.C. Schauer | Drill-press | drill presses |
| 803,522 | Oct. 31, 1905 | J.P. Barns | Change-speed gearing | drill presses |
| 933,945 | Sep. 14, 1909 | A.W. Aitken | Gearing for Traction Engines | traction engine propulsion components |
| 982,510 | Jan. 24, 1911 | G.O. Leopold | Ratchet mechanism | eggbeater drills |
| 1,017,441 | Feb. 13, 1912 | R. Milne | Gearing | drill presses |
| 1,028,395 | Jun. 04, 1912 | H.W. Schatz | Radial Drill | radial drill presses |
| 1,030,424 | Jun. 25, 1912 | H.M. Norris | Friction Clutch | metalworking power transmission |
| 1,053,625 | Feb. 18, 1913 | A. Mill | Gearing | drill presses |
| 1,137,716 | Apr. 27, 1915 | H.P. Reston | Clutch-Shifting Mechanism | metalworking machine clutches |
| 1,185,064 | May 30, 1916 | F.F. Clarke | Clutch Gearing for Machine Tools | industrial machine gearing |
| 1,293,552 | Feb. 04, 1919 | A.M. Sosa, A.E. Robinson | Clutch | metalworking machine clutches |
| 1,297,257 | Mar. 11, 1919 | H.W. Schatz | Drilling Machine | radial drill presses |
| 1,341,700 | Jun. 01, 1920 | G.D. Alexander | Power-wrench | |
| 1,343,732 | Jun. 15, 1920 | G.O. Leopold | Lifting jack | |
