| All Patents in class 236/1R |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 20 | Aug. 31, 1839 | W. Duchman | Saddle-Spring | saddles |
| 1,776,683 | Sep. 23, 1930 | E.T. Larkin | Automatic Controlling System for Internal Combustion Engines | engine control apparatus |
| 2,389,111 | Nov. 13, 1945 | E.J. Dillman | Control Means | flow controls |
| 2,505,975 | May 02, 1950 | W.S. Landon, deceased (Estate of), M.E. Landon, Administratrix | Reciprocating Travel Controlling Means | valves |
| 2,558,938 | Jul. 03, 1951 | T.E. Noakes, E.J. Dillman | Heat Pump and Control Means | heating apparatus |
