| Patents for Hugo Bilgram |
Patents 16 -
22
of 22
      |
| Number | Date | Patentee | Title | Type |
| 749,683 | Jan. 12, 1904 | H. Bilgram | Process of shaping gear-teeth | gear making machines |
| 955,113 | Apr. 12, 1910 | H. Bilgram | Continuous-cigarette-cutting machine | tobacco machinery |
| RE13,502 | Dec. 31, 1912 | H. Bilgram | Gear-cutting machine | gear making machines |
| 1,187,295 | Jun. 13, 1916 | L. Fischer, H. Bilgram, C. Feddern | Stamp applying and affixing machine | tobacco machinery |
| 1,251,466 | Jan. 01, 1918 | H. Bilgram | Automatic braking device for compensation-gears of automobiles and other similar vehicles | motor vehicles |
| 1,277,837 | Sep. 03, 1918 | H. Bilgram | Automatic braking device for compensation-gears of automobiles and other similar vehicles | motor vehicles |
| 1,798,059 | Mar. 24, 1931 | M.F. Hill, H. Bilgram | Machine for making rotors | gear making machines |
