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| All Patents of Type: jib cranes | |||||
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| Number | Date | Patentee | Title | Type | |
| 374,756 | Dec. 13, 1887 | W.H. Ridgway | Crane | jib cranes | |
| 411,681 | Sep. 24, 1889 | W.H. Ridgway | Crane | jib cranes | |
| 1,345,881 | Jul. 06, 1920 | J.A. Butterworth, W.H. Purnell | Portable Jib Crane | jib cranes | |
| 2,503,590 | Apr. 11, 1950 | A.E. Ormsby | Truck crane | jib cranes | |
| 2,549,120 | Apr. 17, 1951 | A.E. Ormsby | Crane | jib cranes | |