| All Patents of Type: pressure regulators |
Patents 1 -
15
of 35
      |
| Number | Date | Patentee | Title | Type |
| 658,570 | Sep. 25, 1900 | W. Wishart, J.A. Mosher | Pressure Regulator | pressure regulators |
| 1,087,906 | Feb. 17, 1914 | C.R. Houghton | Relief-valve | pressure regulators |
| 1,138,278 | May 04, 1915 | J.H. Castle, W.G. Rogers | Pressure-controlled valve | pressure regulators |
| 1,172,709 | Feb. 22, 1916 | F.H. Hopkins | Thermostatic Arch Flow Regulator | pressure regulators |
| 1,341,696 | Jun. 01, 1920 | J.T. Wilkin | Proportional governor | pressure regulators |
| 1,520,922 | Dec. 30, 1924 | A.D. Baker | Boiler-Pressure Control | stationary boilers |
| 1,786,402 | Dec. 23, 1930 | P.S. Russel | Regulator | pressure regulators |
| 1,804,133 | May 05, 1931 | W. Townsend | Unloading valve | pressure regulators |
| 1,806,301 | May 19, 1931 | J.L. Valley | Pressure controlled valve | pressure regulators |
| 1,888,866 | Nov. 22, 1932 | P.S. Russel | Control Means | flow controls |
| 1,931,781 | Oct. 24, 1933 | W.H. Weber | Flow Control Device | pressure regulators |
| 1,980,789 | Nov. 13, 1934 | E.J. dill | Control Apparatus | flow controls |
| 1,983,165 | Dec. 04, 1934 | D.A. Cameron | Control Device | flow controls |
| 1,994,988 | Mar. 19, 1935 | L.W. Eggleston | Control Device | pressure regulators |
| 2,019,461 | Oct. 29, 1935 | P.S. Russel | Control Means | flow controls |
