| Patents for Fred L. Eberhardt |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 308,347 | Nov. 25, 1884 | U. Eberhardt, H.E. Eberhardt | Lathe friction-brake | metalworking machine mechanisms |
| 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 | H.E. Eberhardt, F.L. Eberhardt, U. 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 |
| 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 |
| 578,731 | Mar. 16, 1897 | F.L. Eberhardt, U. Eberhardt | Wrought Metal Gear Wheel and Mechanism for Making Same | industrial machine gearing |
| 617,723 | Jan. 17, 1899 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Gear-cutter clamp for wheel-blanks | gear making machines |
| 700,184 | May 20, 1902 | H.F. Emme, F.L. Eberhardt | Gear-cutting engine | 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 |
| 821,932 | May 29, 1906 | F.L. Eberhardt, H.E. Eberhardt | Metal Planing Machine | metal shapers |
| 1,960,567 | May 29, 1934 | U. Eberhardt, H.E. Eberhardt, F.L. Eberhardt | Circular table drive for shapers | metal shapers |
