| Patents for Bay State Iron Works |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 49,739 | Sep. 05, 1865 | L.S. Fales | Improved process of distilling petroleum | distilling |
| GB-186,600,606 | Feb. 28, 1866 | H. Rawle, O. Noble, J.S. Richards, J.P. Vincent, W.E. Newton, C.H. Lovrien, L.S. Fales | Improvements in the process of and apparatus for the distillation of tar and other substances" | distilling |
| 130,278 | Aug. 06, 1872 | W. Campbell | Improvement in Pipe-Tongs | pipe tongs |
| 181,334 | Aug. 22, 1876 | L.H. Hall | Improvement in balanced valves | steam engine valves |
| 210,850 | Dec. 17, 1878 | L.H. Hall | Imprrovement in hoisting-machines | hoists, winches, come-alongs |
| 213,376 | Mar. 18, 1879 | C.H. Lovrien, H. Banister | Pipe-Tong | pipe tongs |
| RE9,095 | Feb. 24, 1880 | L.H. Hall | Hoisting-machine | hoists, winches, come-alongs |
| CA-11,709 | Sep. 03, 1880 | C.H. Lovrien | Improvements on Pipe Tongs | pipe tongs |
| 234,304 | Nov. 09, 1880 | C.H. Lovrien | Pipe Tongs | pipe tongs |
| 376,235 | Jan. 10, 1888 | B.J. Coates | Machine for turning cross-head pins | metal lathe accessories and attachments |
