| All Patents in class 474/97 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
| | 215,805 | May 27, 1879 | G.H. Corliss | Fly-Wheel |
| | 374,421 | Dec. 06, 1887 | W.A. Moore | Split Pulley |
| | 384,871 | Jun. 19, 1888 | A.P. Sibley | Pulley |
| | 428,520 | May 20, 1890 | E.J. Pennington | Split pulley |
 | 439,491 | Oct. 28, 1890 | G.W. Dryden | Pulley |
| | 595,559 | Dec. 14, 1897 | T. Corscaden | Pulley |
| | 635,912 | Oct. 31, 1899 | C.A. Brinley | Sheet-metal pulley |
| | 726,961 | May 05, 1903 | P. Medart | Belt Pulley |
 | 730,383 | Jun. 09, 1903 | P. Medart | Belt-pulley |
| | 774,347 | Nov. 08, 1904 | R.H. Bowen | Sheet-metal pulley |
