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All Patents of Type: industrial control apparatus
Patents 1 - 15 of 165
First set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
457,280Aug. 04, 1891A. KellyTemperature Regulatorsteam heating
DE-64,971Feb. 24, 1892J. SpielA Flow Valve for Gas and Petroleuminternal combustion engine valves
755,734Mar. 29, 1904T. BarrowValve Operating Mechanism industrial control apparatus
1,172,709Feb. 22, 1916F.H. HopkinsThermostatic Arch Flow Regulatorpressure regulators
1,888,866Nov. 22, 1932P.S. RusselControl Meansflow controls
1,926,706Sep. 12, 1933E.J. Dillman, L.W. EgglestonControl Deviceindustrial control apparatus
1,931,781Oct. 24, 1933W.H. WeberFlow Control Devicepressure regulators
1,946,842Feb. 13, 1934E.J. DillmanTemperature Control Systemtemperature control apparatus
1,965,543Jul. 03, 1934L.W. Eggleston, E.J. DillmanControl Deviceindustrial control apparatus
1,980,789Nov. 13, 1934E.J. dillControl Apparatusflow controls
1,983,165Dec. 04, 1934D.A. CameronControl Deviceflow controls
1,992,155Feb. 19, 1935E.J. DillmanControl Devicemotor controls
1,994,988Mar. 19, 1935L.W. EgglestonControl Devicepressure regulators
2,006,306Jun. 25, 1935D.D. WileApparatus and Method for Temperature Regulationtemperature controls
2,008,323Jul. 16, 1935G.B. DuffieldControl Deviceindustrial control apparatus
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