Patents Granted on 1801-10-?? |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
344X | Oct. 10, 1801 | R. Robotham | Air Pump Ventilator for Ships, Mines, Etc. | air pumps |
345X | Oct. 10, 1801 | R. Robotham | Machine for Ruling Paper, etc. | ruling machines |
346X | Oct. 13, 1801 | J. Poole | Syphonic steam machine | steam apparatus |
GB-180,102,544 | Oct. 14, 1801 | W. Symington | Horizontal steam engine with directly connected crank | steam engines |
347X | Oct. 28, 1801 | M. Krafft | Construction of stills | steam stills |
GB-180,102,546 | Oct. 30, 1801 | R. Brayshay, W. McMahon | Machine for gaining speed and power in all mechanical operations by land and water | |