| All Patents of Type: liquid level controls |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 2,189,662 | Feb. 06, 1940 | A.K. Foulds | Liquid Level Control Means | liquid level controls |
| 2,317,556 | Apr. 27, 1943 | P.S. Russel | Liquid Level Controlling Means | liquid level controls |
| 2,378,883 | Jun. 19, 1945 | P.S. Russel | Control Device | liquid level controls |
| 2,387,858 | Oct. 30, 1945 | P.S. Russel | Liquid Level Controlling Means | liquid level controls |
| 2,398,099 | Apr. 09, 1946 | W.S. Landon | Heating System and Control Means Therefor | heating apparatus |
| 2,494,395 | Jan. 10, 1950 | W.S. Landon | Magnetically Operated Safety Valve Closing Device | flow controls |
| 2,591,581 | Apr. 01, 1952 | C.H. Millerwise | Trip and Reset Mechanism for Float Operated Liquid Fuel Controlling Valves | liquid level controls |
| 2,592,913 | Apr. 15, 1952 | M.E. Landon, Administratrix, W.S. Landon, deceased (Estate of) | Liquid Level Control Means | liquid level controls |
