| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for John Abell | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| CA-40,147 | Aug. 30, 1892 | J. Abell | Machine a Detente Variable | steam engine valves | |
| CA-43,664 | Jan. 01, 1893 | J. Abell | Steam engine | steam engines | |
| CA-50,048 | Sep. 21, 1895 | J. Abell | Machine a Detente Variable | steam engine valves | |
| CA-60,739 | Jul. 26, 1898 | J. Abell | Detente de Machines a Vapeur | steam engine valves | |
| GB-189,811,889 | Apr. 22, 1899 | J. Abell | Improved Reverse and Variable Cut Off for Portable and Other Engines | steam engine valves | |