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| All Patents in class 91/153 | |||||
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| Number | Date | Patentee | Title | Type | |
| 116,131 | Jun. 20, 1871 | H.R. Worthington | Improvement in steam pumping-engines | steam pumping engines | |
| 181,548 | Aug. 29, 1876 | H.R. Worthington | Improvement in compound engines | steam pumping engines | |
| 358,591 | Mar. 01, 1887 | E.E. Clark | Vertical Compound Balanced Duplex Pumping Engine | steam pumps | |