| All Patents in class 254/351 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 213,366 | Mar. 18, 1879 | H. Whiteley | Hoisting Drum and Clutch Apparatus | hoists, winches, come-alongs |
| RE9,806 | Jul. 19, 1881 | J. Knowlson, Jr. | Rope-drum for windlasses | hoists, winches, come-alongs |
| 266,149 | Oct. 17, 1882 | A. Hendey | Hoisting Machine | |
| 645,630 | Mar. 20, 1900 | R.A. Schultz, C.L. Schultz | Traction Engine | internal combustion traction engines |
| 736,572 | Aug. 18, 1903 | W.A. Barker | Electric hoist | hoists, winches, come-alongs |
| 909,768 | Jan. 12, 1909 | F. Donaldson | Winding-drum | hoists, winches, come-alongs |
