| Patents for Harry H. Evarts |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 2,485 | Mar. 09, 1842 | P.H. Green, H.H. Evarts | Construction of rotary engines to be propelled by either water or steam | steam engines |
| 3,303 | Oct. 12, 1843 | H.H. Evarts | Straw-cutter | hay or straw cutters |
| 11,858 | Oct. 31, 1854 | H.H. Evarts | Shingle machine | shingle machines |
| 19,692 | Mar. 23, 1858 | H.H. Evarts | Machine for sawing staves | cooper |
| 23,807 | Apr. 26, 1859 | H.H. Evarts | Steam-valve | steam safety valves |
| AI268 | Mar. 06, 1860 | H.H. Evarts | holding the blocks in a stave sawing machine | cooper |
| 29,125 | Jul. 10, 1860 | H.H. Evarts | Machine for sawing staves | cooper |
| 100,132 | Feb. 22, 1870 | H.H. Evarts | Improvement in the construction of chairs | chair maker |
| 100,133 | Feb. 22, 1870 | H.H. Evarts | Improved bedstead | |
| 110,642 | Jan. 03, 1871 | H.H. Evarts | Improvement in dovetailing-machines | dovetailing machines |
| 131,258 | Sep. 10, 1872 | H.H. Evarts | Improvement in construction of trunks | |
| 172,007 | Jan. 11, 1876 | H.H. Evarts | Improvement in friction-joints for school-desks | desks and tables |
| 181,424 | Aug. 22, 1876 | H.H. Evarts | Improvement in health-lifts | exercise and sports equipment |
