Patents for Philip S. Russel |
Patents 1 -
15
of 31
|
Number | Date | Patentee | Title | Type |
1,786,402 | Dec. 23, 1930 | P.S. Russel | Regulator | pressure regulators |
1,888,866 | Nov. 22, 1932 | P.S. Russel | Control Means | flow controls |
1,892,190 | Dec. 27, 1932 | P.S. Russel | Strainer | filters and strainers |
1,946,882 | Feb. 13, 1934 | P.S. Russel | Valve | industrial valves |
1,997,917 | Apr. 16, 1935 | A. Von Wangenheim, P.S. Russel | Gauge | gauges |
2,019,461 | Oct. 29, 1935 | P.S. Russel | Control Means | flow controls |
2,100,997 | Nov. 30, 1937 | P.S. Russel | Pressure Control Device | pressure regulators |
2,104,700 | Jan. 04, 1938 | P.S. Russel | Pressure Regulating Device | pressure regulators |
2,112,220 | Mar. 22, 1938 | P.S. Russel | Control Device | flow controls |
2,143,229 | Jan. 10, 1939 | P.S. Russel | Control Device | industrial control apparatus |
2,147,945 | Feb. 21, 1939 | P.S. Russel, A.G. Hann | Control Device | flow controls |
2,168,307 | Aug. 08, 1939 | P.S. Russel, A.G. Hann | Control Device | flow controls |
2,197,262 | Apr. 16, 1940 | P.S. Russel | Control Device | flow controls |
2,218,975 | Oct. 22, 1940 | P.S. Russel | Control Device | temperature controls |
2,228,037 | Jan. 07, 1941 | P.S. Russel | Fuel Controlling Apparatus | flow controls |