| Patents for Franklin Gatfield Hobart |
Patents 1 -
15
of 35
      |
| Number | Date | Patentee | Title | Type |
| 513,929 | Jan. 30, 1894 | F.G. Hobart | Steam Engine | steam engine valves |
| 617,419 | Jan. 10, 1899 | F.G. Hobart | Friction Clutch | industrial machine clutches |
| 626,053 | May 30, 1899 | F.G. Hobart, J.A. Charter | Compressor | air compressors |
| 627,850 | Jun. 27, 1899 | F.G. Hobart | Compression Controller | air compressor controllers |
| 630,624 | Aug. 08, 1899 | F.G. Hobart, C.H. Morse, Jr. | Gas Engine Igniter | ignition systems |
| 735,376 | Aug. 04, 1903 | F.G. Hobart | Crude Oil Vaporizer | evaporating apparatus |
| 772,040 | Oct. 11, 1904 | F.G. Hobart | Gas Generator | gas generators |
| 800,918 | Oct. 03, 1905 | F.G. Hobart | Adjustable Propeller | boats and ships |
| 809,261 | Jan. 02, 1906 | F.G. Hobart | Valve for Gas Producers | valves |
| 814,698 | Mar. 13, 1906 | F.G. Hobart | Gas Purifier | gas cleaning apparatus |
| 831,554 | Sep. 25, 1906 | F.G. Hobart | Bearing for Windmill Shafts | wind power apparatus |
| 846,307 | Mar. 05, 1907 | F.G. Hobart | Gas Engine Regulating Valve | internal combustion engine governors |
| 854,352 | May 21, 1907 | F.G. Hobart | Sprayer | sprayers |
| 869,369 | Oct. 29, 1907 | W.W. Gore, F.G. Hobart | Cooling System for Internal Combustion Engines | cooling apparatus |
| 981,188 | Jan. 10, 1911 | F.G. Hobart, W.W. Gore | Gas Cleaning Apparatus | gas cleaning apparatus |
