| All Patents in class 200/83P |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 1,033,900 | Jul. 30, 1912 | J.T. Janette | Motor-controlling device | air compressors |
| 1,876,926 | Sep. 13, 1932 | W.C. Heath | Pressure Actuated Switch | electric switches |
| 1,904,311 | Apr. 18, 1933 | F.G. Hobart | Fluid Pressure Switch | pressure controlled switches |
| 1,965,543 | Jul. 03, 1934 | E.J. Dillman, L.W. Eggleston | Control Device | industrial control apparatus |
| 2,072,425 | Mar. 02, 1937 | L.W. Eggleston | Pump System | reciprocating pumps |
| 2,178,839 | Nov. 07, 1939 | W.S. Landon | Control Device | flow controls |
| 2,193,127 | Mar. 12, 1940 | G.H. Hansen, W.C. Furnas | Switch Assembly | pneumatic operated electric switches |
| 2,259,645 | Oct. 21, 1941 | W.S. Landon | Heating System and Control Means Therefor | heating apparatus |
| 2,303,029 | Nov. 24, 1942 | E.J. Dillman | Control Device | electric switches |
| 2,307,265 | Jan. 05, 1943 | G.H. Hansen | Switch Mechanisn | pneumatic operated electric switches |
| 2,374,636 | Apr. 24, 1945 | E.J. Dillman | Electric Switch | electric switches |
| 2,398,099 | Apr. 09, 1946 | W.S. Landon | Heating System and Control Means Therefor | heating apparatus |
| 2,422,342 | Jun. 17, 1947 | E.J. Dillman | Pressure Regulated Electrical Control | pressure controlled switches |
| 2,548,877 | Apr. 17, 1951 | E.J. Dillman | Automatically Operable Snap Acting Switch | pressure controlled switches |
