| Patents for I. W. Forbes |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| XC-837 | May 14, 1858 | I.W. Forbes | Combined rocking stave and heading machine | cooper |
| CA-734 | Dec. 10, 1870 | I.W. Forbes | Improvements on steam engines | steam engines |
| CA-736 | Dec. 10, 1870 | I.W. Forbes | Improvements on those parts of steam engines called and known as the steam chest valve and valve seat | steam engine valves |
| CA-737 | Dec. 10, 1870 | I.W. Forbes | Improvements on those parts of steam engines called and known as the steam chest valve and valve seat | steam engine valves |
| CA-738 | Dec. 10, 1870 | I.W. Forbes | Improvements on those parts of steam engines called and known as the steam chest valve and valve seat | steam engine valves |
| CA-739 | Dec. 10, 1870 | I.W. Forbes | Improvements on those parts of steam engines called and known as the steam chest valve and valve seat | steam engine valves |
| CA-740 | Dec. 10, 1870 | I.W. Forbes | Improvement in that portion now in ordinary use of steam engine, called or known as "the valve gearing" | steam engine valve gear |
