| All Patents in class 74/333 |
Patents 31 -
45
of 190
      |
| Number | Date | Patentee | Title | Type |
| 823,201 | Jun. 12, 1906 | J.P. Barnes | Gearing | drill presses |
| 831,379 | Sep. 18, 1906 | W. Runge | Gearing for machine-tools | metalworking power transmission |
| 845,005 | Feb. 19, 1907 | W.F. Groene, R.K. Le Blond | Variable Speed Mechanism | metalworking speed changing mechanisms |
| 855,068 | May 28, 1907 | J. Parker | Gearing | milling machines |
| 857,562 | Jun. 18, 1907 | W.F. Groene, R.K. Le Blond | Speed Changing Device | metalworking speed changing mechanisms |
| 892,107 | Jun. 30, 1908 | G.R. Willis | Change Speed Gear | metalworking variable speed mechanisms |
| 907,142 | Dec. 22, 1908 | J.J. Grant, J.F. Fieg | Change-speed gear mechanism | automatic lathes |
| 911,951 | Feb. 09, 1909 | A.L. De Leeuw | Variable Speed Mechanism | metalworking variable speed mechanisms |
| 917,015 | Apr. 06, 1909 | W. Runge, H.M. Darling | Gearing for machine-tools | industrial machine gearing |
| 918,773 | Apr. 20, 1909 | H.W. Schatz | Variable Speed Mechanism | |
| 923,449 | Jun. 01, 1909 | E.B. Sellew | Metal-working machine | turret lathes |
| 927,525 | Jul. 13, 1909 | C.L. Grohmann | Variable Speed Mechanism | metalworking variable speed mechanisms |
| 934,105 | Sep. 14, 1909 | G.A. Steinle | Gearing | turret lathes |
| 942,185 | Dec. 07, 1909 | J.C. Pflanzer | Double back gearing | metal lathes |
| 948,025 | Feb. 01, 1910 | H.W. Schatz | Variable Speed Mechanism | metalworking variable speed mechanisms |
