| All Patents of Type: jacks |
Patents 1 -
15
of 105
      |
| 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 |
| 37,902 | Mar. 17, 1863 | G.L. Cummings | Improvement in carriage-jacks | wagon and cart 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 |
| 49,090 | Aug. 01, 1865 | G.L. Cummings | Improvement in carriage-jacks | wagon and cart jacks |
| CA-856 | Mar. 14, 1871 | J.R. Carle | Improvement in jacks and machines for lifting the wheels of carriages and waggons, and for stowing cargoes in vessels | wagon and cart jacks |
| 137,765 | Apr. 15, 1873 | R. Dudgeon | Improvement in hydraulic jacks | hydraulic jacks |
| 147,916 | Feb. 24, 1874 | D.H. Horner, W.H. Dungan | Combined Wagon-Jack and Wrench | wrench combination tools |
| 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 |
| 192,831 | Jul. 10, 1877 | T.J. Jenne | Improvement in lifting-jacks | lifting jacks |
| 202,197 | Apr. 09, 1878 | B.M. Sherman | Improvement in lifting-jacks | wagon and cart jacks |
| 206,481 | Jul. 30, 1878 | W.A. Pierson | Wagon Jack | wagon and cart jacks |
