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| All Patents in class 254/343 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 199,955 | Feb. 05, 1878 | A. Box | Improvement in screw hoisting-pulley apparatus | |
| 291,300 | Jan. 01, 1884 | H.M. Cormack | Traction Engine | ||
 | 411,165 | Sep. 17, 1889 | O.H. Noack | Hoisting-gear | |
| 414,380 | Nov. 05, 1889 | W.W. Dingee | Elevator | ||
| 704,736 | Jul. 15, 1902 | D.W. Combs | Attachment for Traction Engines | ||
 | 1,650,936 | Nov. 29, 1927 | M.B. McLauthlin, J.W. Dodd | Elevator hoist | |
 | 2,152,969 | Apr. 04, 1939 | W.W. Nash | Balancer | |
 | 2,382,054 | Aug. 14, 1945 | L.L. Hercik | Portable crane | |