All Patents in class 91 |
Patents 406 -
420
of 810
|
Number | Date | Patentee | Title | Type |
1,234,882 | Jul. 31, 1917 | W.A. Doble | Speed Governor | water wheel governors |
1,244,664 | Oct. 30, 1917 | H.E. Warren | Fluid-operated lathe | metal lathes |
1,255,315 | Feb. 05, 1918 | F.A. Jimerson | Ratchet operating mechanism for drills | pneumatic motors |
1,259,045 | Mar. 12, 1918 | A.L. Proske, T.H. Proske | Drill Sharpener | |
1,260,184 | Mar. 19, 1918 | J.C. Glenn | Fluid-Operated Valve Mechanism | steam engine valves |
1,267,130 | May 21, 1918 | W.B. Burrows, I.L. Skeith | Power Lifting Mechanism for Saw Trimmers | circular saw accessories |
1,268,270 | Jun. 04, 1918 | R.W. Nazel | Fluid-power hammer | drop hammers |
1,275,688 | Aug. 13, 1918 | T.E. Holmes | Combined Steam Hammer and Forging Press | steam hammers |
1,276,167 | Aug. 20, 1918 | S.K. Brown | Surface Finishing Machine | |
1,283,145 | Oct. 29, 1918 | J.C. Gaskill | Steam Engine | steam engines |
1,283,738 | Nov. 05, 1918 | R. Green | Sawing Machine | sawmill carriages |
1,285,475 | Nov. 19, 1918 | W. Turnwald | Automatic exhaust-valve | steam engine valves |
1,286,122 | Nov. 26, 1918 | C.E. Sargent | Motor for Railroad Vehicles | internal combustion engines |
1,293,713 | Feb. 11, 1919 | H.A. Chuse | Steam Engine | steam engine valves |
1,353,656 | Sep. 21, 1920 | C.L. Heisler | Fluid Operated Motor | steam turbines |