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