| All Patents in class 415/205 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 6,176X | Oct. 01, 1830 | C. Willson | Water wheel | water wheels |
| 8,808X | May 02, 1835 | T. Pierce | Water wheel, inclined, floated | water wheels |
| 2,708 | Jul. 08, 1842 | R. Rich | Water Wheel | water wheels |
| 4,056 | May 21, 1845 | J. Leffel | Improvement in water-wheels | water wheels |
| 4,332 | Dec. 26, 1845 | J. Mecay | Water Wheel | water wheels |
| 54,660 | May 15, 1866 | I.J. Adams | Water Wheel | water wheels |
| 71,461 | Nov. 26, 1867 | A.H. Crozier | Improvement in water-wheels | water wheels |
| 578,759 | Mar. 16, 1897 | J.F. McElroy | Rotary Engine | rotary steam engines |
| 578,813 | Mar. 16, 1897 | F.M. Cazin | Percussion Wheel | water wheels |
| 1,506,111 | Aug. 26, 1924 | M. Crozet-Fourneyron | Self Acting Speed Regulating Device for Turbines | water wheel governors |
| 2,611,578 | Sep. 23, 1952 | G.A. Biggs | Sectionalized Case for Turbines and the Like | turbine water wheels |
