| All Patents in class 415/147 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| RE3,018 | Jun. 30, 1868 | J. Tyler | Water Wheel | water wheels |
| 101,084 | Mar. 22, 1870 | W. Bayley, A.B. Crowell | Improvement in turbine water-wheels | turbine water wheels |
| 121,555 | Dec. 05, 1871 | J.S. Teed | Improvement in water-wheels | water wheels |
| 640,237 | Jan. 02, 1900 | J. Straszer | Rotary Gas Engine | gas and gasoline engines |
| 1,865,503 | Jul. 05, 1932 | G.A. Biggs | Hydraulic Turbine | turbine water wheels |
| 1,866,196 | Jul. 05, 1932 | A.A. Criqui, R.T. Thornton | Gas purifier or scrubber | |
| 2,923,306 | Feb. 02, 1960 | W.G. Mitchell | Pressure regulator valve mechanism for air tools | |
