| All Patents in class 60/481 |
Patents 16 -
28
of 28
      |
| Number | Date | Patentee | Title | Type |
| 395,675 | Jan. 01, 1889 | J. Weeks | Hydraulic punch, &c. | hydraulic apparatus |
| 478,530 | Jul. 05, 1892 | J. Weeks | Horizontal hydraulic jack | hydraulic jacks |
| 550,702 | Dec. 03, 1895 | J. Weeks | Hydraulic jack | hydraulic jacks |
| 706,850 | Aug. 12, 1902 | L.S. Pitcher | Hydraulic jack | hydraulic jacks |
| 861,714 | Jul. 30, 1907 | H.C. Dudgeon | Hydraulic jack | hydraulic jacks |
| 957,177 | May 10, 1910 | R.W. Baker | Hydraulic jack | hydraulic jacks |
| 2,211,249 | Aug. 13, 1940 | R.W. Werner | Hydraulic jack and method in the manufacture thereof | hydraulic jacks |
| 2,238,968 | Apr. 22, 1941 | H.P. Brumder | Hydraulic Jack | |
| 2,277,256 | Mar. 24, 1942 | E. Pfauser | Hydraulic Apparatus | |
| 2,625,797 | Jan. 20, 1953 | J.H. Shaver, H.H. Poort | Hydraulic eductor valve | hydraulic apparatus |
| 2,867,087 | Jan. 06, 1959 | C.E. Holt | Hydraulic Valve for Pressure Applying Units | |
| 2,935,851 | May 10, 1960 | N.F. Atherton | Hydraulic Pressure Applying Tool | |
| 4,078,383 | Mar. 14, 1978 | R.H. Nehrig | Hydraulic hand jack with needle release valve | automobile and truck jacks |
