| Patents for Elwood T. Larkin |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 1,246,952 | Nov. 20, 1917 | E.T. Larkin | Brake Mechanism | industrial friction brakes |
| 1,291,560 | Jan. 14, 1919 | E.T. Larkin | Reversing Gearing. | reverse gear apparatus |
| 1,339,500 | May 11, 1920 | E.T. Larkin, C.A. Criqui | Pump | diaphragm pumps |
| 1,691,201 | Nov. 13, 1928 | E.T. Larkin | Carburetor | carburetors |
| 1,713,541 | May 21, 1929 | E.T. Larkin | Lubricant Cooling Device for Internal Combustion Engines and the Like | internal combustion engine lubrication |
| 1,739,007 | Dec. 10, 1929 | E.T. Larkin | Piston for Internal Combustion Engines | pistons |
| 1,776,683 | Sep. 23, 1930 | E.T. Larkin | Automatic Controlling System for Internal Combustion Engines | engine control apparatus |
| 1,789,005 | Jan. 13, 1931 | E.T. Larkin | Drip Pan for Carburetors | carburetors |
| 1,947,603 | Feb. 20, 1934 | E.T. Larkin | Gas Mixing Device | fuel systems |
| 1,949,542 | Mar. 06, 1934 | E.T. Larkin | Piston | pistons |
| 2,017,154 | Oct. 15, 1935 | E.T. Larkin | Valve Seat Construction for Engines and the Like | valves |
| 2,022,917 | Dec. 03, 1935 | T.L. Sherman, E.T. Larkin | Bearing | industrial machine bearings |
| 2,099,898 | Nov. 23, 1937 | E.T. Larkin | Portable Foundation for Machinery | industrial machine bases |
| 2,104,347 | Jan. 04, 1938 | E.T. Larkin | Piston | pistons |
| 2,170,058 | Aug. 22, 1939 | E.T. Larkin | Internal Combustion Engine | internal combustion engines |
