| All Patents of Type: hydraulic jacks |
Patents 1 -
15
of 42
      |
| Number | Date | Patentee | Title | Type |
| 8,203 | Jul. 08, 1851 | R. Dudgeon | Portable hydraulic press | hydraulic jacks |
| GB-185,700,820 | Mar. 24, 1857 | J. Tangye, J. Tangye | Lifting jack | hydraulic jacks |
| 22,713 | Jan. 25, 1859 | R. Dudgeon | Hydraulic press | hydraulic jacks |
| 38,187 | Apr. 14, 1863 | J. Tangye | Improvement in hydraulic lifting-jacks | hydraulic jacks |
| 44,358 | Sep. 20, 1864 | T.H. Watson | Improvement in hydraulic jacks | hydraulic jacks |
| 137,765 | Apr. 15, 1873 | R. Dudgeon | Improvement in hydraulic jacks | hydraulic jacks |
| 162,044 | Apr. 13, 1875 | E.M. Dudgeon | Improvement in hydraulic jacks | hydraulic jacks |
| RE6,786 | Dec. 07, 1875 | E.M. Dudgeon | Improvement in hydraulic jacks | hydraulic jacks |
| 271,154 | Jan. 23, 1883 | J.C. Tanner | Hydraulic jack | hydraulic jacks |
| 297,975 | May 06, 1884 | R.H. Dudgeon | Hydraulic jack | hydraulic jacks |
| 302,070 | Jul. 15, 1884 | T.H. Watson | Hydraulic jack | hydraulic jacks |
| 330,759 | Nov. 17, 1885 | J. Weeks, H. Traver | Hydraulic jack | hydraulic jacks |
| 330,760 | Nov. 17, 1885 | J. Weeks | Hydraulic jack | hydraulic jacks |
| 334,206 | Jan. 12, 1886 | J. Weeks, H. Traver | Hydraulic jack | hydraulic jacks |
| 366,367 | Jul. 12, 1887 | J. Bailey | Hydraulic press | hydraulic jacks |
