| Patents for George H. Knight |
Patents 31 -
45
of 140
      |
| Number | Date | Patentee | Title | Type |
| 52,583 | Feb. 13, 1866 | S. Males | Improvement in cider-mills | |
| 54,224 | Apr. 24, 1866 | G. Simonson | Steam Plow | steam plows |
| 54,827 | May 15, 1866 | J. Woodrough | Attaching teeth to circular sawblades | saw teeth |
| 56,426 | Jul. 17, 1866 | D.R. MacLennan | Improvement in sawing machines | drag saws |
| 57,205 | Aug. 14, 1866 | A. Sowden | Improved saw-toothing machine | making sawblades |
| 57,506 | Aug. 28, 1866 | H. Herbert | Improvement in Pipe-Tongs | pipe tongs |
| 58,921 | Oct. 16, 1866 | M. Bales, C.R. Warner | Improvement in sawing machines | firewood machines |
| 59,745 | Nov. 20, 1866 | J.L. Haven, C. Hettrick | Bandelore | |
| 60,900 | Jan. 01, 1867 | T.J. Jolly | Improvement in machines for making wooden pickets | stick pointing machines |
| 61,080 | Jan. 08, 1867 | W.C. McGill | Improvement in cork-screws | mechanical cork extractors |
| 61,424 | Jan. 22, 1867 | J.L. Haven | Improved meat-cutter | butcher |
| 63,658 | Apr. 09, 1867 | W. Shumard, A. Lyon, J.N. Robbins | Improvement in sawmills | scrollsaws |
| 63,673 | Apr. 09, 1867 | J. Tesseyman | Adjustable cutter-head for rotating-disk planer | cutterheads |
| 64,424 | May 07, 1867 | C.H. James | Improvement in tubes for steam generators | steam generators |
| D2,747 | Aug. 13, 1867 | J.L. Haven | Design for a blacksmith's drill | drill presses |
