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| All Patents in class 254/356 | |||||
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| Number | Date | Patentee | Title | Type | |
| 414,380 | Nov. 05, 1889 | W.W. Dingee | Elevator | elevators and lifts | |
| 419,041 | Jan. 07, 1890 | Z. Goodell | Elevator | elevators and lifts | |
| 2,152,969 | Apr. 04, 1939 | W.W. Nash | Balancer | handheld power tool accessories | |
| 2,465,594 | Mar. 29, 1949 | H. Knutson | Steam Winch | steam hoists and winches | |