| Patents for Nikola Tesla |
Patents 31 -
45
of 112
      |
| Number | Date | Patentee | Title | Type |
| 416,195 | Dec. 03, 1889 | N. Tesla | Electro-Magnetic Motor | |
| 417,794 | Dec. 24, 1889 | N. Tesla, A. Schmid | Armature for electric machines | electric generators |
| 418,248 | Dec. 31, 1889 | N. Tesla | Electro-Magnetic Motor | |
| 424,036 | Mar. 25, 1890 | N. Tesla | Electro-Magnetic Motor | |
| 428,057 | May 13, 1890 | N. Tesla | Pyromagneto-electric generator | electric generators |
| 433,700 | Aug. 05, 1890 | N. Tesla | Alternating-current electro-magnetic motor | |
| 433,701 | Aug. 05, 1890 | N. Tesla | Alternating-current motor | |
| 433,702 | Aug. 05, 1890 | N. Tesla | Electrical transformer or induction device | |
| 433,703 | Aug. 05, 1890 | N. Tesla | Electrico-magnetic motor | |
| 445,207 | Jan. 27, 1891 | N. Tesla | Electro-Magnetic Motor | |
| 447,920 | Mar. 10, 1891 | N. Tesla | Method of operating arc lamps | electric arc lamps |
| 447,921 | Mar. 10, 1891 | N. Tesla | Alternating-electric-current generator | |
| 454,622 | Jun. 23, 1891 | N. Tesla | System of electric lighting | |
| 455,067 | Jun. 30, 1891 | N. Tesla | Electro-magnetic motor | multiphase motors |
| 455,068 | Jun. 30, 1891 | N. Tesla | Electrical meter | |
