| All Patents in class 74/385 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 127,294 | May 28, 1872 | H.H. Baker | Improvement in mechanical movements | metalworking machine gearing |
| 132,928 | Nov. 12, 1872 | R.T. Smith | Improvement in machines for carving, polishing, etc. | sanding machines |
| 275,861 | Apr. 17, 1883 | E.W. Ross | Gearing | woodworking machine mechanisms |
| 305,714 | Sep. 23, 1884 | H. Schulze-Berge | Gearing Device | industrial machine gearing |
| 553,124 | Jan. 14, 1896 | C.A. Meister | Angle Attachment for Dental Handpieces or other Attachment | corner drills |
| 607,308 | Jul. 12, 1898 | L. Watkins | Wagon Steering and Driving Mechanism | wagons and carts |
| 650,795 | May 29, 1900 | W.T. Maxwell, G.J. Spahn | Boring implement | |
| 995,322 | Jun. 13, 1911 | E.P. Bullard, Jr. | Changeable Driving Connection for Machine-Tools | metalworking power transmission |
| 1,368,295 | Feb. 15, 1921 | W.T. Sears | Drive mechanism for drilling-machines | radial drill presses |
| 2,553,416 | May 15, 1951 | A.C. Koett | Universal drill head | handheld power drills |
| 2,815,834 | Dec. 10, 1957 | A.W. Mall | Portable power tool drive mechanism | impact wrenches |
