| Patents for W. Hauff |
Patents 16 -
30
of 66
      |
| Number | Date | Patentee | Title | Type |
| 62,177 | Feb. 19, 1867 | J. Balmore | Improved Pipe-Tongs and Cutter | pipe wrenches |
| RE2,600 | May 14, 1867 | J. Balmore | Improvement in Pipe-Tongs and Cutter | pipe tongs |
| 64,664 | May 14, 1867 | T.G. Hall | Nippers | nippers |
| RE2,753 | Aug. 27, 1867 | A.P. Brown | Improvement in governors for steam engines | steam engine governors |
| 69,009 | Sep. 17, 1867 | W.S. Mead | Improvement in mechanical movements | woodworking machine mechanisms |
| 72,766 | Dec. 31, 1867 | F. Washbourne | Saw Bolt | saw nuts |
| 80,515 | Jul. 28, 1868 | A. Steinbok | Improvement in Boring-Tools | auger bits |
| 83,445 | Oct. 27, 1868 | W. Baxter | Steam Boiler Fire Tube | stationary boilers |
| 85,522 | Jan. 05, 1869 | F.A. Gleason | Improved nail-machine | nailing machines |
| 94,130 | Aug. 24, 1869 | P. Pryibil | Oval lathe | wood lathes |
| 95,313 | Sep. 28, 1869 | F. Brown, A. Brown | Improved lubricator for journal-boxes | industrial machine lubrication |
| 97,982 | Dec. 14, 1869 | C.F. Steinway | Improvement in piano-fortes | music instrument maker |
| 103,241 | May 17, 1870 | P. Schrag, P. Hufeland | Improvement in machines for cutting off lead-pencils | pencil making machines |
| 113,926 | Apr. 18, 1871 | P. Pryibil | Improvement in sawing-machines | bandsaws |
| 123,886 | Feb. 20, 1872 | W. Gardam, J. Gardam | Improvement in drilling-machines | drilling and boring |
