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| All Patents in class 474/98 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 111,582 | Feb. 07, 1871 | S.A. Smith | Improvement in pulleys | |
 | 116,134 | Jun. 20, 1871 | J. Yocom, Jr. | Improvement in split castings | |
 | 260,462 | Jul. 04, 1882 | W.H. Dodge, G. Philion | Separable pulley | |
 | 394,407 | Dec. 11, 1888 | G.O. Ware, A.P. Sibley | Bushing for split pulleys | |
 | 456,722 | Jul. 28, 1891 | W.H. Dodge | Pulley | |
| 630,868 | Aug. 15, 1899 | J.A. Dorman | Split Pulley | ||
| 728,466 | May 19, 1903 | W.D. Huse | Friction Pulley or Wheel | ||