| All Patents in class 322/27 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 294,095 | Feb. 26, 1884 | E. Thomson | Electric Power Distribution System | electric distribution systems |
| 315,181 | Apr. 07, 1885 | F.J. Sprague | Electric Motor and Generator | electric motors |
| 335,659 | Feb. 09, 1886 | C.J. Van Depoele | Regulator for Dynamo Electric Machines | motor regulators |
| 366,523 | Jul. 12, 1887 | W. Stanley, Jr. | Automatic regulator for electric distribution | |
| 457,330 | Aug. 04, 1891 | T.E. Adams | Automatic Brush Shifter for Dynamo Electric Machines | electric generators |
| 491,695 | Feb. 14, 1893 | J.J. Wood | Alternating Current Dynamo Electric Machine | electric generators |
| 787,027 | Apr. 11, 1905 | M. von Dolivo-Dobrowolsky | Monophase and polyphase alternating-current machine | induction motors |
| 854,704 | May 21, 1907 | W.J. Richards | Dynamo-electric machine | motor commutators |
| 1,143,008 | Jun. 15, 1915 | C.E. Willey | Automobile or train lighting system | |
| 1,604,415 | Oct. 26, 1926 | J.J. Kane | Electric Power System | electric generators |
| 3,304,488 | Feb. 14, 1967 | R. Zechlin, R.M. Henderson | Electronic Current Regulator | electronic circuitry and apparatus |
