| Patents for George S. Woodruff |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 173,032 | Feb. 01, 1876 | E. McCoy | Improvement in steam-cylinder lubricators | steam engine lubricators |
| 179,585 | Jul. 04, 1876 | E. McCoy | Improvement in steam-cylinder lubricators | steam engine lubricators |
| CA-6,665 | Oct. 19, 1876 | E. McCoy | Steam cylinder lubricator | steam engine lubricators |
| CA-8,143 | Nov. 27, 1877 | J.C. Fisks, G.S. Woodruff | Gas governor | steam engine governors |
| CA-10,168 | Jun. 26, 1879 | G.S. Woodruff | Improvements in gas governors | steam engine governors |
| 221,950 | Nov. 25, 1879 | G.S. Woodruff | Gas-governors | steam engine governors |
| 231,344 | Aug. 17, 1880 | J.H. Needles | Combined apparatus for producing illuminating gas and generating steam | stationary boilers |
| CA-11,808 | Sep. 23, 1880 | G.S. Woodruff | Improvements on gas regulators | steam engine governors |
| CA-15,866 | Nov. 27, 1882 | J.C. Fisks, G.S. Woodruff | Gas governors | steam engine governors |
