| Patents for J. B. Crosby | 
| Patents 31 - 
					45
					of 57 
       | 
| Number | Date | Patentee | Title | Type | 
| 92,489 | Jul. 13, 1869 | B.F. Sturtevant | Pressure Blower | blowers | 
| 93,125 | Jul. 27, 1869 | C.E. Rymes | Valve gear for rotary valves | steam engine valve gear | 
| 95,281 | Sep. 28, 1869 | B.F. Sturtevant | Hot Air Furnace | industrial furnaces | 
| 95,849 | Oct. 12, 1869 | B.F. Sturtevant | Hot Air Furnace | industrial furnaces | 
| 100,066 | Feb. 22, 1870 | W.B. Preston | Improvement in steelyards | scales and balances | 
| 100,211 | Feb. 22, 1870 | B.F. Sturtevant | Heating and Ventilating Apparatus | furnaces | 
| 100,212 | Feb. 22, 1870 | B.F. Sturtevant | Grain Dryer | grain dryers | 
| 100,236 | Feb. 22, 1870 | B.F. Sturtevant | Pressure Blower Wheel | blowers | 
| 100,237 | Feb. 22, 1870 | B.F. Sturtevant | Fan Blower | blowers | 
| 100,238 | Feb. 22, 1870 | B.F. Sturtevant | Hot Air Blower | blowers | 
| 100,239 | Feb. 22, 1870 | B.F. Sturtevant | Pressure Blower | blowers | 
| 100,240 | Feb. 22, 1870 | B.F. Sturtevant | Air Heater and Steam Condenser |  | 
| 100,241 | Feb. 22, 1870 | B.F. Sturtevant | Air Heater and Steam Condenser |  | 
| 100,242 | Feb. 22, 1870 | B.F. Sturtevant | Air Heater and Steam Condenser |  | 
| 100,243 | Feb. 22, 1870 | B.F. Sturtevant | Method of Uniting Tubes to Tube Sheets |  |