| All Patents in class 236/92R |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 85,792 | Jan. 12, 1869 | G.H. Clemens | Improvement in steam safety-valves | steam safety valves |
| 1,950,501 | Mar. 13, 1934 | J.J. MacKay | Rock crushing plant | ore processing apparatus |
| 2,129,499 | Sep. 06, 1938 | W.S. Landon | Control Device | flow controls |
| 2,183,650 | Dec. 19, 1939 | E. Klafstad, G.L. Gundersen | Relief Valve | steam safety valves |
| 2,209,216 | Jul. 23, 1940 | D.D. Wile | Control Device | heating apparatus |
| 2,215,947 | Sep. 24, 1940 | D.D. Wile | Refrigerating Apparatus | refrigeration apparatus |
| 2,242,334 | May 20, 1941 | D.D. Wile | Refrigerating System | refrigeration apparatus |
| 2,287,433 | Jun. 23, 1942 | E. Klafstad | System for Safeguarding the Operation of Steam Boilers | steam safety valves |
| 2,306,768 | Dec. 29, 1942 | D.D. Wile | Control Device | refrigeration apparatus |
| 2,357,795 | Sep. 12, 1944 | W.E. Cowley, E.J. Dillman | Valve | refrigeration apparatus |
| 2,408,919 | Oct. 08, 1946 | F.Y. Carter, E.J. Dillman | Refrigeration Expansion Valve | refrigeration apparatus |
| 2,577,450 | Dec. 04, 1951 | F.Y. Carter | Refrigeration Expansion Valve | valves |
| 2,598,351 | May 27, 1952 | F.Y. Carter | Thermostatic Valve | temperature controls |
