| Patents for Leverett Homer Olmsted | 
| Patents 1 - 
					15
					of 29 
       | 
| Number | Date | Patentee | Title | Type | 
| 33,751 | Nov. 19, 1861 | L.H. Olmsted | Improvement in oilers | oil cans | 
| 37,971 | Mar. 24, 1863 | L.H. Olmsted | Ratchet brace | ratchet braces | 
| 42,593 | May 03, 1864 | L.H. Olmsted | Improvement in oil-cans | oil cans | 
| 47,446 | Apr. 25, 1865 | L.H. Olmsted | Improved ratchet-brace | ratchet braces | 
| 47,561 | May 02, 1865 | L.H. Olmsted | Improved lubricator | industrial machine lubrication | 
| 47,777 | May 16, 1865 | L. Wright | Improvement in scroll-sawing machines | scrollsaws | 
| GB-186,502,933 | Nov. 14, 1865 | W. Clark, L.H. Olmsted | Connecting drums or pulleys with their shafts or drivers. | industrial machine pulleys and belt drive mechanisms | 
| 54,394 | May 01, 1866 | L.H. Olmsted | Improvement in oilers | oil cans | 
| 54,760 | May 15, 1866 | L.H. Olmsted | Improvement in chucks | drill chucks | 
| 66,879 | Jul. 16, 1867 | L.H. Olmsted | Drop Hammer | drop hammers | 
| 73,459 | Jan. 21, 1868 | L.H. Olmsted | Improvement in lubricating bearings for machinery | industrial machine lubrication | 
| 84,505 | Dec. 01, 1868 | L.H. Olmsted | Improvement in paper-files |  | 
| 100,656 | Mar. 08, 1870 | L.H. Olmsted | Improvement in card-racks |  | 
| 125,610 | Apr. 09, 1872 | L.H. Olmsted | Improvement in presses for embossing linen and other fabrics |  | 
| 142,504 | Sep. 02, 1873 | L.H. Olmsted | Improvement in the modes of regulating speed in machinery | sewing machines |