| All Patents in class 254/103 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 5,374X | Feb. 16, 1829 | T. Evans | Jack screws for stowing goods in ships' holds | nautical jack screws |
| 84,577 | Dec. 01, 1868 | J. Pickering | Apparatus for Raising Weights | hoists, winches, come-alongs |
| 452,991 | May 26, 1891 | A.L. Colburn | Spindle feed for drill press | drill presses |
| 878,522 | Feb. 11, 1908 | F.L. Gormley | Lifting Jack | jack screws |
| 924,692 | Jun. 15, 1909 | H.A. Schatz | Lifting Jack | jack screws |
| 1,052,921 | Feb. 11, 1913 | I.E. Hindman | Lifting-jack | |
| 1,054,413 | Feb. 25, 1913 | I.E. Hindman | Lifting-jack | vehicle mechanic |
| 1,089,703 | Mar. 10, 1914 | I.E. Hindman | Friction clutch for screw-jacks | screw jacks |
| 1,228,210 | May 29, 1917 | I.E. Hindman | Screw-jack | screw jacks |
| 1,234,334 | Jul. 24, 1917 | I.E. Hindman | Brake mechanism for lifting-jacks | vehicle mechanic |
| 1,343,732 | Jun. 15, 1920 | G.O. Leopold | Lifting jack | |
| 1,395,340 | Nov. 01, 1921 | F.L. Gormley | Speed Retarding Device for Lifting Jacks | lifting tools |
| 1,395,341 | Nov. 01, 1921 | F.L. Gormley | Self Lowering Jack | lifting tools |
| 1,486,723 | Mar. 11, 1924 | M.F. Bernson | Jack | screw jacks |
| 1,593,217 | Jul. 20, 1926 | M.B. Lucker | Double-lift jack | automobile and truck jacks |
