| Patents for John T. Wilkin |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 497,997 | May 23, 1893 | J.T. Wilkin | Machine for Planing Cyclodal Surfaces | metal planers |
| 497,998 | May 23, 1893 | J.T. Wilkin | Machine for Forming Cyclodal Surfaces | metal planers |
| 905,967 | Dec. 08, 1908 | J.T. Wilkin | Rotary blower or gas-pump | fans and blowers |
| 924,024 | Jun. 08, 1909 | J.T. Wilkin | Vacuum-pump | vacuum pumps |
| 958,345 | May 17, 1910 | J.T. Wilkin | Vacuum-pump | vacuum pumps |
| 1,087,906 | Feb. 17, 1914 | C.R. Houghton | Relief-valve | pressure regulators |
| 1,105,868 | Aug. 04, 1914 | J.T. Wilkin | Extractor of liquids and solids from gases | gas cleaning apparatus |
| 1,189,766 | Jul. 04, 1916 | J.T. Wilkin | Impeller pump or blower and driver therefor | blowers |
| 1,341,696 | Jun. 01, 1920 | J.T. Wilkin | Proportional governor | pressure regulators |
| 1,520,668 | Dec. 23, 1924 | J.T. Wilkin | Fluid governor meter | |
| 1,528,728 | Mar. 03, 1925 | C.R. Houghton, J.T. Wilkin | Meter | gas meters |
| 1,648,522 | Nov. 08, 1927 | J.T. Wilkin | Multiple control governor for gas or coke oven systems | machine governors |
| 1,759,384 | May 20, 1930 | C.R. Houghton, J.T. Wilkin | Gas-metering system | gas meters |
| 1,815,639 | Jul. 21, 1931 | C.B. Coldwell, J.T. Wilkin | Flexible coupling | industrial machine shaft couplings |
