| Patents for S. N. Piper |
Patents 1 -
15
of 41
      |
| Number | Date | Patentee | Title | Type |
| 71,015 | Nov. 19, 1867 | R.K. Huntoon | Governor for Steam Engines | steam engine governors |
| 74,527 | Feb. 18, 1868 | M.H. Freeman | Pipe-Cutter | pipe cutters |
| 77,719 | May 12, 1868 | M.V. Cummings | Mowing Machine | mowing machines |
| 79,724 | Jul. 07, 1868 | J.R. Brown | Improvement in Pipe-Tongs | pipe tongs |
| 81,242 | Aug. 18, 1868 | F.S. Babbitt | Improvement in nozzles for pipes | |
| RE3,759 | Dec. 14, 1869 | R.K. Huntoon | Improvement in Steam-Engine Governors | steam engine governors |
| 98,747 | Jan. 11, 1870 | J.D. Davis | Improvement in Pipe-Tongs | pipe tongs |
| 99,137 | Jan. 25, 1870 | G.C. Beckwith | Improvement in Joiners' Planes | bench planes |
| 101,300 | Mar. 29, 1870 | C.D. Moore | Improvement in saw-mill | scrollsaws |
| 102,779 | May 10, 1870 | C.M. Daboll | Improved friction-roller bearing | industrial machine bearings |
| 108,321 | Oct. 18, 1870 | J.R. Brown | Improvement in Box-Scraper | box scrapers |
| 109,912 | Dec. 06, 1870 | S.U. King | Improvement in lathes | wood lathes |
| 111,422 | Jan. 31, 1871 | O.G. Barrett | Pipe Wrench | wrench jaw components |
| 115,368 | May 30, 1871 | D.W. Simmons | Wheeled Marking Gage | marking gauges |
| 116,545 | Jul. 04, 1871 | I.F. Brown | Improved Lathe Tool Supporter | lathe tools |
