| Patents for John Becker |
Patents 16 -
30
of 33
      |
| Number | Date | Patentee | Title | Type |
| 169,812 | Nov. 09, 1875 | R. Jack | Wrench | angle adjustable wrenches |
| 179,281 | Jun. 27, 1876 | H. Dinning | Pliers for Securing Eyelet-Hooks in Leather | pliers |
| 183,235 | Oct. 10, 1876 | M. Vassar, II | Improvement in Ratchet-Wrenches | ratchet wrenches |
| 192,423 | Jun. 26, 1877 | C. Elterich | Tap Wrench | tap wrenches and die stocks |
| 193,301 | Jul. 17, 1877 | M. Vassar, II | Ratchet-Wrench | ratchet wrenches |
| 195,173 | Sep. 11, 1877 | C. Burroughs, A.A. Sanborn | Monkey-Wrenches | quick adjust wrenches |
| 210,106 | Nov. 19, 1878 | P. Everitt | Screw-Stocks | tap wrenches and die stocks |
| 212,288 | Feb. 11, 1879 | M. Vassar, II | Leather Gage | special purpose gauges |
| 226,052 | Mar. 30, 1880 | J. Ericsson | Air-Engine | hot air engines |
| 325,991 | Sep. 08, 1885 | H. Tabor | Speed Indicator | wheel-based measurers |
| 399,348 | Mar. 12, 1889 | G.M. Richards | Hydrocarbon Engine | internal combustion engines |
| 406,662 | Jul. 09, 1889 | J.D. Moran | Chain Wrench | chain and strap wrenches |
| 474,898 | May 17, 1892 | J. Becker | Milling-machine | milling machines |
| 489,282 | Jan. 03, 1893 | J. Becker | Milling Machine | milling machines |
| 577,255 | Feb. 16, 1897 | B. Herstein | Wrench | wrenches |
