| All Patents of Type: pressure indicators |
Patents 1 -
15
of 26
      |
| Number | Date | Patentee | Title | Type |
| 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 |
| 748,010 | Dec. 29, 1903 | S.G. Reed | Pressure Weighing Machine | pressure indicators |
| 754,287 | Mar. 08, 1904 | G. Bouton, A. De Dion | Pressure Indicator | steam engine indicators |
| 829,614 | Aug. 28, 1906 | F.L. Wolfe | Pressure Recorder | pressure indicators |
| 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 |
| 908,867 | Jan. 05, 1909 | W.E. Jerauld | Indicator for Engines | steam engine 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 |
| 957,471 | May 10, 1910 | C.J. Manning | Pressure Gage | vacuum and pressure gauges |
| 1,044,678 | Nov. 19, 1912 | C.J. Manning | Recording Low Pressure Gage | pressure indicators |
| 1,072,161 | Sep. 02, 1913 | A.P. Phillips | Pressure Recording Gage | pressure indicators |
| 1,106,839 | Aug. 11, 1914 | A.P. Phillips | Pressure Weighing Machine | pressure indicators |
| 1,265,156 | May 07, 1918 | C.D. Young | Pressure Recorder | pressure indicators |
