All Patents of Type: industrial control apparatus |
Patents 1 -
15
of 166
|
Number | Date | Patentee | Title | Type |
457,280 | Aug. 04, 1891 | A. Kelly | Temperature Regulator | steam heating |
DE-64,971 | Feb. 24, 1892 | J. Spiel | A Flow Valve for Gas and Petroleum | internal combustion engine valves |
755,734 | Mar. 29, 1904 | T. Barrow | Valve Operating Mechanism | industrial control apparatus |
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 |
1,926,706 | Sep. 12, 1933 | E.J. Dillman, L.W. Eggleston | Control Device | industrial control apparatus |
1,931,781 | Oct. 24, 1933 | W.H. Weber | Flow Control Device | pressure regulators |
1,946,842 | Feb. 13, 1934 | E.J. Dillman | Temperature Control System | temperature control apparatus |
1,965,543 | Jul. 03, 1934 | L.W. Eggleston, E.J. Dillman | Control Device | industrial control apparatus |
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 |
1,992,155 | Feb. 19, 1935 | E.J. Dillman | Control Device | motor controls |
1,994,988 | Mar. 19, 1935 | L.W. Eggleston | Control Device | pressure regulators |
2,006,306 | Jun. 25, 1935 | D.D. Wile | Apparatus and Method for Temperature Regulation | temperature controls |
2,008,323 | Jul. 16, 1935 | G.B. Duffield | Control Device | industrial control apparatus |