| Patents for Henry B. Keiper |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| 316,789 | Apr. 28, 1885 | H.B. Keiper | Device for Converting Motion | metalworking machine mechanisms |
| 359,509 | Mar. 15, 1887 | H.B. Keiper | Tire Bender | blacksmith |
| 423,168 | Mar. 11, 1890 | H.B. Keiper | Dished Forge Pan | portable forges |
| 473,582 | Apr. 26, 1892 | H.B. Keiper | Screw-cutting plate | |
| 530,846 | Dec. 11, 1894 | H.B. Keiper | Screw-cutting plate | |
| 577,556 | Feb. 23, 1897 | H.B. Keiper | Drill | drill presses |
| 595,312 | Dec. 14, 1897 | H.B. Keiper | Tap Wrench | tap wrenches and die stocks |
| 604,534 | May 24, 1898 | H.B. Keiper | Gearing | metalworking machine mechanisms |
| 604,662 | May 24, 1898 | H.B. Keiper | Gearing | metalworking machine mechanisms |
| D28,868 | Jun. 14, 1898 | H.B. Keiper | Design for a ball-retainer | metalworking machine mechanisms |
| 605,722 | Jun. 14, 1898 | H.B. Keiper | Gearing | metalworking machine mechanisms |
| 633,096 | Sep. 12, 1899 | H.B. Keiper | Oscillating Bearing | metalworking machine bearings |
| 667,658 | Feb. 05, 1901 | H.B. Keiper | Ball-gearing | |
| 676,322 | Jun. 11, 1901 | H.B. Keiper | Rotary fan-blower | forge blowers |
| 676,323 | Jun. 11, 1901 | H.B. Keiper | Forge | forging machines |
