| Patents for William Trewin |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 54,589 | May 08, 1866 | S.W. Palmer, J.F. Palmer | Improvement in gearing | industrial machine gearing |
| 55,685 | Jun. 19, 1866 | T.W. Mahler | Water Wheel | turbine water wheels |
| 58,986 | Oct. 23, 1866 | W. Colwell | Corn Sheller | corn shellers |
| 61,428 | Jan. 22, 1867 | J. Hindman | Corn Husker | corn huskers |
| 63,836 | Apr. 16, 1867 | H.C. Berry | Back rest for lathes | wood lathe accessories |
| 64,341 | Apr. 30, 1867 | S. Markee | Improvements in Plane-Irons | plane cap irons |
| 64,664 | May 14, 1867 | T.G. Hall | Nippers | nippers |
| 66,641 | Jul. 09, 1867 | J.C. Shackleton | Lathe Tool | lathe tools |
| 67,473 | Aug. 06, 1867 | L.W. Williams, A.C. Wicker | Improved Variety Frame Lathe | potters lathes |
| 67,953 | Aug. 20, 1867 | E.C. Cleveland | Improved Centrifugal Machine or Hydro-Extractor | sugar refining apparatus |
| 68,537 | Sep. 03, 1867 | J.M. Smith | Lathe Chuck | metal lathe chucks |
| 77,434 | May 05, 1868 | A.A. Aiken, D.E. Aiken | Splint Plane with Spring-loaded Throatpiece | splint planes |
| 79,066 | Jun. 23, 1868 | J.H. Godwin | Hammer | framing hammers |
