All Patents of Type: cranes |
Patents 1 -
15
of 33
|
Number | Date | Patentee | Title | Type |
1,208X | Feb. 12, 1810 | E.C. Toppan | Method of making sheaves for blocks | block and tackles |
1,235X | Mar. 14, 1810 | M. Laighton | Rollers for sheaves of blocks | block and tackles |
2,218X | Nov. 08, 1814 | T. Reynolds | Crane, screw and bale for raising mill stones | cranes |
2,609X | Jun. 12, 1816 | H. Worall (Worrall) | Moulding and casting the sheaves of pulley blocks | block and tackles |
3,056X | Dec. 31, 1818 | E. Smith | Lever crane | cranes |
3,067X | Feb. 06, 1819 | J. Rudder | Anti-friction bush for sheaves in blocks | block and tackles |
4,825X | Jul. 21, 1827 | G. Hill, E. Mann | Portable crane for raising brick, etc. | cranes |
5,297X | Dec. 06, 1828 | J. Evans | Snatch block | block and tackles |
8,290X | Jul. 08, 1834 | H. Bradford | Crane | cranes |
8,457X | Oct. 20, 1834 | J. Barron | Blocks, tackle, and pulleys of metal | block and tackles |
9,389X | Feb. 12, 1836 | E. Marsh | Crane | cranes |
9,813X | Jun. 30, 1836 | G. Sherwood | Derrick (Crane) | cranes |
1,089 | Feb. 24, 1839 | W.S. Otis | Crane-Excavator for Excavating and Removing Earth | cranes |
24,912 | Jul. 26, 1859 | J.Y. Parce | Hoisting Crane | cranes |
25,978 | Nov. 01, 1859 | I.E. Palmer | Tackle Block | block and tackles |