| All Patents of Type: flow controls |
Patents 1 -
15
of 98
      |
| Number | Date | Patentee | Title | Type |
| DE-64,971 | Feb. 24, 1892 | J. Spiel | A Flow Valve for Gas and Petroleum | internal combustion engine valves |
| 1,172,709 | Feb. 22, 1916 | F.H. Hopkins | Thermostatic Arch Flow Regulator | 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 |
| 2,060,185 | Nov. 10, 1936 | L.W. Eggleston | Flow Control Means | pressure regulators |
| 2,071,143 | Feb. 16, 1937 | L.l. Scott | Automatic Valve | flow controls |
| 2,085,300 | Jun. 29, 1937 | E.J. Dillman | Control Device | flow controls |
| 2,091,228 | Aug. 24, 1937 | A.G. Hann | Control Device | flow controls |
| 2,100,997 | Nov. 30, 1937 | P.S. Russel | Pressure Control Device | pressure regulators |
| 2,108,979 | Feb. 22, 1938 | D.D. Wile | Valve | flow controls |
| 2,110,100 | Mar. 01, 1938 | A. Von Wangenheim | Gravity Feed Control | flow controls |
