All Patents of Type: lifting tools |
Patents 1 -
15
of 17
|
Number | Date | Patentee | Title | Type |
1,092X | Jul. 03, 1809 | A. Sacket | Rapid jack for ascending rapids | lifting tools |
4,138X | Jun. 03, 1825 | W. Hoyt | Jack for raising wagons, etc. | lifting tools |
5,029X | Mar. 08, 1828 | H. Salisbury | Tar jack, or machine for raising vehicles | lifting tools |
18,592 | Nov. 10, 1857 | L.J. Knowles | Lifting Jack | jack screws |
21,342 | Aug. 31, 1858 | J.C. Jackson | Lifting Jack | lifting tools |
195,927 | Oct. 09, 1877 | R. Hermance | Lifting Jacks | lifting tools |
432,732 | Jul. 22, 1890 | I.N. Groves | Lifting Jack | lifting tools |
471,308 | Mar. 22, 1892 | J. Farrell | Hoisting Tackle | lifting tools |
588,579 | Aug. 24, 1897 | F.P. Johnson | Lifting Jack | lifting tools |
655,907 | Aug. 14, 1900 | M.M. Moore | Lifting Jack | lifting tools |
681,029 | Aug. 20, 1901 | W.R. Moore | Lifting Jack | lifting tools |
934,010 | Sep. 14, 1909 | E. Evans, D. Parry | Lifting Dog | lifting tools |
1,161,982 | Nov. 30, 1915 | H.R. Scheidler | Jack | lifting tools |
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 |