| All Patents in class 200/83R |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 668,954 | Feb. 26, 1901 | C.E. Dawson | Explosion Engine | cooling apparatus |
| 1,926,706 | Sep. 12, 1933 | E.J. Dillman, L.W. Eggleston | Control Device | industrial control apparatus |
| 1,994,988 | Mar. 19, 1935 | L.W. Eggleston | Control Device | pressure regulators |
| 2,143,533 | Jan. 10, 1939 | C.E. Brown, W.D. Archea | Machine Tool | grinding machines |
| 2,168,307 | Aug. 08, 1939 | A.G. Hann, P.S. Russel | Control Device | flow controls |
| 2,209,767 | Jul. 30, 1940 | E.J. Dillman | Thermostat | thermostats |
| 3,372,622 | Mar. 12, 1968 | E.P. Bullard, III | Multiple Pressure Responsive Control Apparatus | |
