| All Patents in class 92/82 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
| | 540,490 | Jun. 04, 1895 | A.R. Holmes | Gas Engine |
 | 717,136 | Dec. 30, 1902 | E.E. Thomas | Engine |
| | 1,348,256 | Aug. 03, 1920 | F.L. Wadsworth | Steam Engine |
 | 1,450,032 | Mar. 27, 1923 | J.W. Gardner | Compressor mechanism |
 | 1,544,644 | Jul. 07, 1925 | F.A. Jimerson | Fluid-actuated rotary tool |
| | 1,591,539 | Jul. 06, 1926 | A. Levedahl | Crank-case venting means for pneumatic tools |
| | 1,591,540 | Jul. 06, 1926 | R.A. Norling, A. Levedahl | Crank-case venting means for pneumatic tools |
| | 2,045,024 | Jun. 23, 1936 | F.P. Thieman, H.J. Renken | Pump |
| | 2,375,718 | May 08, 1945 | T.W. Ashcroft, W.G. Winkels | Crankcase Air-Pressure Control Means |
| | 2,570,647 | Oct. 09, 1951 | G.A. Cormier | Power Cylinder and Piston With Leakage Control |
