Patents for Rudolf Eickemeyer Jr. |
Patents 1 -
14
of 14
      |
Number | Date | Patentee | Title | Type |
240,311 | Apr. 19, 1881 | R. Eickemeyer | Hat Pouncing Machine | hat making machines |
413,337 | Oct. 22, 1889 | R. Eickemeyer | Dynamo-electric machine | |
413,338 | Oct. 22, 1889 | R. Eickemeyer | Magnetic gage for testing the magnetic conductivity of metals | |
413,339 | Oct. 22, 1889 | R. Eickemeyer | Secondary battery | electric batteries |
413,363 | Oct. 22, 1889 | R. Eickemeyer | Dynamo-electric machine | |
454,207 | Jun. 16, 1891 | R. Eickemeyer, Jr. | Electric resistance-box | |
486,094 | Nov. 15, 1892 | R. Eickemeyer | Secondary battery | electric batteries |
524,020 | Aug. 07, 1894 | R. Eickemeyer | Dynamo-electric machine | |
525,697 | Sep. 11, 1894 | R. Eickemeyer | Winding for drum-armatures in dynamo-machines | |
541,200 | Jun. 18, 1895 | R. Eickemeyer | Electric elevator | |
550,220 | Nov. 19, 1895 | R. Eickemeyer | Electric car or locomotive | |
564,559 | Jul. 21, 1896 | R. Eickemeyer | Dynamo-electric machine | |
575,880 | Jan. 26, 1897 | R. Eickemeyer | Differential gear | |
757,394 | Apr. 12, 1904 | R. Eickemeyer | Means for variably operating and controlling electric motors | |