| All Patents in class 116/277 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 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 |
| | 375,874 | Jan. 03, 1888 | A.L. Ide | Steam Engine Indicator |
 | 583,982 | Jun. 08, 1897 | W.F. Davis | Gasolene and Gas Engine |
| | 860,141 | Jul. 16, 1907 | J.P. Lavigne | Quick Opening Valve |
| | 1,161,861 | Nov. 30, 1915 | F.W. Hodges | Valve |
| | 2,301,041 | Nov. 03, 1942 | A.G. Hann | Valve Adjusting Means |
| | 2,313,438 | Mar. 09, 1943 | W.G. Hoelscher | Fluid Operated Gear Shifting Mechanism |
| | 2,613,906 | Oct. 14, 1952 | H.C. Weimar | Hydraulic Control Valve |
| | 3,505,972 | Apr. 14, 1970 | P.M. Benjamin | Deck Box for a Valve Operator |
