| All Patents in class 236/91R |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,980,789 | Nov. 13, 1934 | E.J. dill | Control Apparatus | flow controls |
| 2,044,729 | Jun. 16, 1936 | L.W. Eggleston | Control Device | industrial control apparatus |
| 2,242,334 | May 20, 1941 | D.D. Wile | Refrigerating System | refrigeration apparatus |
| 2,314,558 | Mar. 23, 1943 | P.S. Russel | Apparatus for and Method of Air Conditioning | air conditioning apparatus |
| 2,396,147 | Mar. 05, 1946 | W.G. Baldenhofer | Cooling System for Hydraulically-Operated Machine Tools | hydraulic apparatus |
| 2,396,559 | Mar. 12, 1946 | E.J. Dillman | Air Cooling Apparatus | air conditioning apparatus |
| 2,410,795 | Nov. 05, 1946 | E.J. Dillman | Expansion Valve | valves |
