| Patents for Carl R. Houghton |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 1,440,297 | Dec. 26, 1922 | C.R. Houghton | Gas-exhauster governor | |
| 1,457,074 | May 29, 1923 | C.R. Houghton | Constant-flow governor | |
| 1,526,293 | Feb. 10, 1925 | C.R. Houghton | Governor | machine governors |
| 1,528,728 | Mar. 03, 1925 | J.T. Wilkin, C.R. Houghton | Meter | gas meters |
| 1,621,203 | Mar. 15, 1927 | C.R. Houghton | Pressure temperature compensator and slip integrator for meters | gas meters |
| 1,759,384 | May 20, 1930 | C.R. Houghton, J.T. Wilkin | Gas-metering system | gas meters |
| 1,896,527 | Feb. 07, 1933 | C.R. Houghton | Tandem meter | gas meters |
| 2,188,752 | Jan. 30, 1940 | C.R. Houghton | Fluid handling apparatus | rotary pumps |
| 2,489,887 | Nov. 29, 1949 | C.R. Houghton | Rotary pump | rotary pumps |
