| All Patents in class 116/277 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 188,154 | Mar. 06, 1877 | W.D. Leavitt, B.J. Thurston | Improvement in gas and water regulators | |
| 310,019 | Dec. 30, 1884 | A.G. Bayles | Combined Wrench and Gage For Gas Service-Pipe Cocks | wrench combination tools |
| 375,874 | Jan. 03, 1888 | A.L. Ide | Steam Engine Indicator | steam engine indicators |
| 583,982 | Jun. 08, 1897 | W.F. Davis | Gasolene and Gas Engine | |
| 860,141 | Jul. 16, 1907 | J.P. Lavigne | Quick Opening Valve | industrial valves |
| 1,161,861 | Nov. 30, 1915 | F.W. Hodges | Valve | industrial valves |
| 2,301,041 | Nov. 03, 1942 | A.G. Hann | Valve Adjusting Means | flow controls |
| 2,313,438 | Mar. 09, 1943 | W.G. Hoelscher | Fluid Operated Gear Shifting Mechanism | metalworking speed changing mechanisms |
| 3,505,972 | Apr. 14, 1970 | P.M. Benjamin | Deck Box for a Valve Operator | industrial valves |
