| All Patents in class 346/113 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 568,784 | Oct. 06, 1896 | E.L. Miller | Automatic Recording Instrument | steam engine indicators |
| 619,049 | Feb. 07, 1899 | J.C. Paige | Steam Engine Indicator | steam engine indicators |
| 868,055 | Oct. 15, 1907 | F.L. Wolfe | Recording Counter | rpm speed gauges and tachometers |
| 877,198 | Jan. 21, 1908 | W.E. Jerauld | Automatic Recording Gage | industrial recording apparatus |
| 897,311 | Sep. 01, 1908 | G. Spencer | Pressure Recorder | pressure indicators |
| 926,763 | Jul. 06, 1909 | A.P. Phillips | Recording Counter | pressure indicators |
| 951,658 | Mar. 08, 1910 | A.P. Phillips | Pressure Recording Gage | pressure indicators |
| 1,063,281 | Jun. 03, 1913 | J.W. Motherwell | Recording-gage | recording gauges |
| 1,161,875 | Nov. 30, 1915 | H.C. Morrow | Gas Engine Recorder | internal combustion engine indicators |
| 1,265,156 | May 07, 1918 | C.D. Young | Pressure Recorder | pressure indicators |
| 1,655,615 | Jan. 10, 1928 | P. Kreisel | Recording and Timing Device for Combustion Engines | internal combustion engine indicators |
| 1,690,517 | Nov. 06, 1928 | C.J. Brown, C.H. Wilson | Electrical controller and recorder | industrial furnaces |
