| All Patents in class 74/603 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 360,711 | Apr. 05, 1887 | J.E. McIntosh | Engine Crank | steam engine crank rods |
| 410,199 | Sep. 03, 1889 | J. Ross | Automatic balancing device for swing-saws | circular crosscut saws |
| 574,723 | Jan. 05, 1897 | E. Fessard | Gas or Oil Engine | gas and gasoline engines |
| 1,136,376 | Apr. 20, 1915 | W. Spacke, D.T. Brownlee, F.W. Spacke | Crank Shaft | crankshafts |
| 1,591,540 | Jul. 06, 1926 | R.A. Norling, A. Levedahl | Crank-case venting means for pneumatic tools | |
| 1,737,419 | Nov. 26, 1929 | I.A. Hanssen | Pneumatic tool | |
| 2,595,464 | May 06, 1952 | A. Kaufmann | Balanced motion converting mechanism | handheld power tools |
| 2,690,081 | Sep. 28, 1954 | K.Å. Lindblom, G.E. Björklund | Mechanical Movement | handheld power tool accessories |
| 2,961,806 | Nov. 29, 1960 | J.J. Strnad | Automatic counterbalance for crankshaft grinders | crankshaft maintenance |
