| All Patents of Type: handheld impact tools |
Patents 1 -
15
of 28
      |
| Number | Date | Patentee | Title | Type |
| 481,598 | Aug. 30, 1892 | W.X. Stevens | Rock-drilling machine | impact chisels and drills |
| 626,497 | Jun. 06, 1899 | E.C. Meissner | Pneumatic Hammer | handheld power hammers |
| 894,782 | Jul. 28, 1908 | G.H. Rowe | Rock hammer-drill | handheld power hammers |
| CA-120,598 | Sep. 21, 1909 | G.H. Rowe | Rock hammer-drill | handheld power hammers |
| 938,709 | Nov. 02, 1909 | G.H. Rowe | Electromechanical device | impact riveters |
| 973,216 | Oct. 18, 1910 | G.H. Rowe | Electromechanical device | impact riveters |
| 1,024,025 | Apr. 23, 1912 | G.H. Rowe | Percussion device | impact chisels and drills |
| 1,024,026 | Apr. 23, 1912 | G.H. Rowe | Electromechanical device | impact chisels and drills |
| 1,298,966 | Apr. 01, 1919 | J.S. Knowlson | Electrically-operated tool | impact riveters |
| CA-218,476 | May 09, 1922 | J.S. Knowlson | Electrically operated tool | impact riveters |
| 1,481,642 | Jan. 22, 1924 | F.A. Jimerson | Combination riveter | impact riveters |
| 1,481,643 | Jan. 22, 1924 | F.A. Jimerson | Percussive-tool front-end construction | impact riveters |
| DE-390,538 | Feb. 20, 1924 | J.S. Knowlson | electrically driven impact tool | impact riveters |
| 1,598,088 | Aug. 31, 1926 | J. Larocca, J.S. Knowlson | Mechanical movement | impact chisels and drills |
| 1,598,090 | Aug. 31, 1926 | J. Larocca | Impacting tool | impact chisels and drills |
