Patents for James Cooper |
Patents 1 -
8
of 8
|
Number | Date | Patentee | Title | Type |
3,146X | Dec. 14, 1819 | J. Cooper | Archimedean screw | |
3,712X | Jun. 17, 1823 | J. Cooper | Wheel to prevent ropes or chains from slipping | |
4,367X | Mar. 22, 1826 | J. Cooper | Machinery to supersede use of cog wheels | |
4,452X | May 31, 1826 | T. Barnett, J. Cooper | Machine for finishing and ironing hats | milliner |
5,911X | Apr. 12, 1830 | J. Cooper | Propelling Machinery by Animal Power | animal powered apparatus |
5,912X | Apr. 12, 1830 | J. Cooper | Thrashing machine | threshers and thrashers |
6,237X | Nov. 11, 1830 | J. Cooper | Machine for cutting crackers, biscuits, etc. | cracker and biscuit machines |
9,415X | Feb. 20, 1836 | J. Cooper | Thrashing machine | miller |