| Patents for Henry E. Eberhardt |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 308,347 | Nov. 25, 1884 | U. Eberhardt, H.E. Eberhardt | Lathe friction-brake | metalworking machine mechanisms |
| 321,196 | Jun. 30, 1885 | U. Eberhardt, H.E. Eberhardt | Drilling-Machine | drill presses |
| 400,645 | Apr. 02, 1889 | H.E. Eberhardt, U. Eberhardt | Automatic Machine for Cutting Rack Teeth | gear making machines |
| 407,339 | Jul. 23, 1889 | H.E. Eberhardt, U. Eberhardt | Drilling Machine | drill presses |
| 433,458 | Aug. 05, 1890 | U. Eberhardt, H.E. Eberhardt | Milling-cutter | milling machine cutters |
| 461,952 | Oct. 27, 1891 | U. Eberhardt, H.E. Eberhardt, U. Eberhardt, Jr. | Gear-cutting or milling-machine | milling machines |
| 496,511 | May 02, 1893 | U. Eberhardt, F.L. Eberhardt, H.E. Eberhardt | Rotary cutter for making similar teeth | milling machine cutters |
| 510,121 | Dec. 05, 1893 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Gear-cutting machine | gear making machines |
| 510,122 | Dec. 05, 1893 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Gear-cutting and hobbing machine | gear making machines |
| 515,906 | Mar. 06, 1894 | U. Eberhardt, H.E. Eberhardt | Multiplex gear-cutter | gear making machines |
| 541,475 | Jun. 25, 1895 | F.L. Eberhardt, H.E. Eberhardt, U. Eberhardt | Crank Planer | metal shapers |
| 575,393 | Jan. 19, 1897 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Gear-cutting machine with safety-stop | gear making machines |
| 617,723 | Jan. 17, 1899 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Gear-cutter clamp for wheel-blanks | gear making machines |
| 700,679 | May 20, 1902 | H.E. Eberhardt, F.L. Eberhardt, E.G. Eberhardt | Crank-planer or analogous tool | metal planers |
| 712,273 | Oct. 28, 1902 | H.E. Eberhardt | Shaft-driver | metal planers |
