| Patents for David M. Weston | 
| Patents 1 - 
					6
					of 6 
       | 
| Number | Date | Patentee | Title | Type | 
| 63,770 | Apr. 09, 1867 | D.M. Weston | Improvement in centrifugal machines for draining sugar and other substances | sugar refining apparatus | 
| RE2,845 | Jan. 14, 1868 | D.M. Weston | Improvement in centrifugal machines for draining sugar and other substances | sugar refining apparatus | 
| RE3,065 | Aug. 04, 1868 | D.M. Weston | Improved belt-fastening | belts, belt lacing and belt lacers | 
| 81,717 | Sep. 01, 1868 | D.M. Weston | Improvement in belt-punches | belts, belt lacing and belt lacers | 
| 82,049 | Sep. 08, 1868 | D.M. Weston | Improved self-balancing centrifugal machine | centrifuges | 
| RE8,489 | Nov. 12, 1878 | D.M. Weston | Improvement in self-balancing centrifugal machines | centrifuges |