| All Patents of Type: industrial recording apparatus |
Patents 1 -
15
of 56
      |
| Number | Date | Patentee | Title | Type |
| 248,612 | Oct. 25, 1881 | H. Ruddick | Recording Dynamometer | dynamometers |
| 334,778 | Jan. 26, 1886 | H.R. Illingworth, J.J. Illingworth | Steam Engine Recorder | industrial recording apparatus |
| 334,779 | Jan. 26, 1886 | H.R. Illingworth, J.J. Illingworth | Steam Engine Recorder | steam engine indicators |
| 361,689 | Apr. 26, 1887 | C.M. Giddings | Recording Dynamometer | dynamometers |
| 454,391 | Jun. 16, 1891 | E. Verstraete | Speed Recorder and Register | rpm speed gauges and tachometers |
| 495,148 | Apr. 11, 1893 | R.G. Collins | Electro Mechanical Steam Recording Indicator | industrial recording apparatus |
| 568,784 | Oct. 06, 1896 | E.L. Miller | Automatic Recording Instrument | steam engine indicators |
| 578,283 | Mar. 02, 1897 | W.L. Bundy | Recording Apparatus | metering apparatus |
| 665,154 | Jan. 01, 1901 | F.L. Wolfe | Pressure Recorder | steam engine indicators |
| 677,674 | Jul. 02, 1901 | C.J. Manning | Recording Gage of Steam Pressure on Boilers | steam pressure gauges |
| 689,529 | Dec. 24, 1901 | F.L. Wolfe | Recording Gage | steam engine indicators |
| 713,945 | Nov. 18, 1902 | E.C. Oliver, L.P. Beckenridge | Recording Machine | steam engine indicators |
| 768,473 | Aug. 23, 1904 | C.J. Manning | Recording Pen | industrial recording apparatus |
| 785,677 | Mar. 21, 1905 | C.J. Manning | Recording Gage | industrial recording apparatus |
| 829,614 | Aug. 28, 1906 | F.L. Wolfe | Pressure Recorder | pressure indicators |
