| All Patents in class 251/288 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 310,019 | Dec. 30, 1884 | A.G. Bayles | Combined Wrench and Gage For Gas Service-Pipe Cocks | wrench combination tools |
| 397,904 | Feb. 19, 1889 | W.F. Folmer | Gas Burner for Billiard Tables | lamps |
| 564,500 | Jul. 21, 1896 | E.A. Benedict, C. Benedict | Spraying-nozzle | |
| 1,161,861 | Nov. 30, 1915 | F.W. Hodges | Valve | industrial valves |
| 2,151,656 | Mar. 21, 1939 | B.E. Folke | Choke Fitting for Steam Heat Pipes | feedwater apparatus |
| 2,827,259 | Mar. 18, 1958 | E.T. Kindt | Automatic gate for dust collection system | waste collection mechanisms |
