| All Patents in class 30/94 |
Patents 31 -
41
of 41
      |
| Number | Date | Patentee | Title | Type |
| 259,895 | Jun. 20, 1882 | C.H. Miller | Pipe Tongs | pipe tongs |
| 287,378 | Oct. 23, 1883 | H. Herbert | Pipe Tongs and Cutter | pipe tongs |
| 328,270 | Oct. 13, 1885 | J. Williamson | Pipe Wrench and Cutter | pipe wrenches |
| 367,703 | Aug. 02, 1887 | L.P. Croswell | Wrench | pipe jaw attachments for wrenches |
| 485,657 | Nov. 08, 1892 | O.E. Reichling | Wrench | self-adjust wrenches |
| 533,426 | Feb. 05, 1895 | P. Bartzen | Pipe Wrench And Cutter | |
| 924,816 | Jun. 15, 1909 | E.M. Newell | Wrench and Cutter | pipe wrenches |
| 1,040,202 | Oct. 01, 1912 | A.F. Howe | Pipe-cutter | pipe cutters |
| 1,076,223 | Oct. 21, 1913 | I.W. Nonneman | Pipe-cutter | pipe cutters |
| 1,282,619 | Oct. 22, 1918 | I.W. Nonneman | Pipe-cutter | pipe cutters |
| 1,469,472 | Oct. 02, 1923 | A. Bangert | Combination Hammer and Wrech | combination tools |
