| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 137/625.43 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 114,078 | Apr. 25, 1871 | P.N. Woods | Improvement in valves and steam-chests for engines | |
 | 1,446,547 | Feb. 27, 1923 | J.M. Crowe | Valve for pneumatic tools | |
 | 1,687,369 | Oct. 09, 1928 | F.J. Lapointe | Hydraulic broaching machine | |
| 2,170,304 | Aug. 22, 1939 | C. Herfurth | Truing Attachment | ||
| 2,474,134 | Jun. 21, 1949 | A.P. Waterson | Hydraulic Tool Control Unit | ||
| 2,600,746 | Jun. 17, 1952 | W. Ernst | Fluid Pressure Control Valve | ||