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| All Patents of Type: sprinklers | |||||
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| Number | Date | Patentee | Title | Type | |
| 180,007 | Jul. 18, 1876 | G.H. Copping | Improvement in lawn-sprinklers | sprinklers | |
| 486,667 | Nov. 22, 1892 | O. Kirsten, C. Doelger | Sprinkler | sprinklers | |
| D31,549 | Sep. 26, 1899 | E. McCoy | Design for a Lawn Sprinkler | sprinklers | |