| Patents for Crosby Steam Gage & Valve Co. |
Patents 1 -
15
of 77
      |
| Number | Date | Patentee | Title | Type |
| 145,726 | Dec. 23, 1873 | G.H. Crosby | Improvement in pressure-gages | steam pressure gauges |
| 186,718 | Jan. 30, 1877 | J. Einig | Improvement in steam-whistle | steam whistles |
| 295,093 | Mar. 11, 1884 | C.E. Ashcroft | Pressure-gage-testing apparatus | steam pressure gauges |
| 476,512 | Jun. 07, 1892 | C.B. Bosworth | Device for testing pressure-gauges | steam pressure gauges |
| 530,433 | Dec. 04, 1894 | F. Lane | Indicator for Steam Engines | steam engine indicators |
| 549,700 | Nov. 12, 1895 | J.H. Millett, C.B. Bosworth | Steam-gage | steam pressure gauges |
| 603,391 | May 03, 1898 | F.L. Wolfe | Pressure-recorder | steam pressure gauges |
| 631,370 | Aug. 22, 1899 | J. Hughes | Safety Valve and Muffler | steam safety valves |
| 641,302 | Jan. 16, 1900 | F. Lane | Illuminated Gage | gauge illuminating apparatus |
| 659,234 | Oct. 09, 1900 | J. Hughes | Blow Off Valve | blow off valves |
| 663,772 | Dec. 11, 1900 | J.H. Millett | Means for Attaching Wooden Handles to Metal Spindles. | valves |
| 665,154 | Jan. 01, 1901 | F.L. Wolfe | Pressure Recorder | steam engine indicators |
| 689,528 | Dec. 24, 1901 | F.L. Wolfe | Support for Reducing Wheels | reducing wheels |
| 689,529 | Dec. 24, 1901 | F.L. Wolfe | Recording Gage | steam engine indicators |
| 701,793 | Jun. 03, 1902 | E.C. Bates | Pressure Gage | vacuum and pressure gauges |
