| Patents for Detroit Lubricator Co. |
Patents 151 -
165
of 330
      |
| Number | Date | Patentee | Title | Type |
| 2,172,823 | Sep. 12, 1939 | A. Von Wangenheim | Control Device | temperature controls |
| 2,175,150 | Oct. 03, 1939 | L.W. Eggleston | Control Device | temperature controls |
| 2,176,852 | Oct. 17, 1939 | R.L. Campbell | Heating Method and Apparatus | heating apparatus |
| 2,177,852 | Oct. 31, 1939 | D.D. Wile | Refrigerating Apparatus | refrigeration apparatus |
| 2,178,839 | Nov. 07, 1939 | W.S. Landon | Control Device | flow controls |
| 2,180,802 | Nov. 21, 1939 | E.J. Dillman | Control Device | thermostats |
| 2,183,207 | Dec. 12, 1939 | D.D. Wile | Valve Structure | valves |
| 2,183,488 | Dec. 12, 1939 | G.B. Duffield | Closure | heating apparatus |
| 2,183,854 | Dec. 19, 1939 | W.S. Landon | Control Device | flow controls |
| 2,185,978 | Jan. 02, 1940 | E.J. Dillman | Heating Apparatus | heating apparatus |
| 2,187,038 | Jan. 16, 1940 | I.J. Knudson | Method of and Apparatus for Cold Control | refrigeration apparatus |
| 2,189,662 | Feb. 06, 1940 | A.K. Foulds | Liquid Level Control Means | liquid level controls |
| 2,190,464 | Feb. 13, 1940 | D.D. Wile | Control Device | refrigeration apparatus |
| 2,192,117 | Feb. 27, 1940 | D.D. Wile | Control Device | temperature controls |
| 2,197,262 | Apr. 16, 1940 | P.S. Russel | Control Device | flow controls |
