| All Patents in class 74/582 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 66,222 | Jul. 02, 1867 | A. Sharp, A. Cunningham | Power Hammer | power hammers |
| 115,600 | Jun. 06, 1871 | J.S. Crane, J.T. Gilmore | Improvement in Machines for Dressing Millstones | miller |
| 264,816 | Sep. 19, 1882 | A. Beaudry | Power-hammer | drop hammers |
| 285,389 | Sep. 25, 1883 | J.C. Butterfield | Atmospheric hammer | drop hammers |
| 407,688 | Jul. 23, 1889 | A. Renetzky | Drill | hand drills |
| 616,059 | Dec. 13, 1898 | F. Hamilton, J. Madlehner | Explosive Gas Engine | gas and gasoline engines |
| 624,555 | May 09, 1899 | H. Smith | Explosive Engine | gas and gasoline engines |
| 665,249 | Jan. 01, 1901 | L. Mayer | Trip-hammer ram connection | drop hammers |
| 774,791 | Nov. 15, 1904 | J.D. Seibert | Power Hammer | power hammers |
| 778,889 | Jan. 03, 1905 | A.D. Plowden | Automatic take-up | saw sharpening machines |
| 824,331 | Jun. 26, 1906 | J.P. Barnes | Chain Grate | |
| 837,519 | Dec. 04, 1906 | W.G. Simcock, G.H. Tolley | Power Hammer | power hammers |
| 854,353 | May 21, 1907 | F.G. Hobart | Pump | fuel pumps |
| 2,690,081 | Sep. 28, 1954 | K.Å. Lindblom, G.E. Björklund | Mechanical Movement | handheld power tool accessories |
