| All Patents in class 173/169 |
Patents 16 -
27
of 27
      |
| Number | Date | Patentee | Title | Type |
| 2,607,559 | Aug. 19, 1952 | E.H. Forss | Valve for pneumatic riveting hammers | impact riveters |
| 2,635,396 | Apr. 21, 1953 | H.R. Johnson | Portable rubbing machine | handheld power sanders |
| 2,678,636 | May 18, 1954 | G.H. Fuehrer | Air hammer with selective drill steel rotation | |
| 2,727,598 | Dec. 20, 1955 | W.G. Mitchell, F.A. Kaman | Impact wrench torque control | |
| 3,097,571 | Jul. 16, 1963 | F.A. Kaman | Motor for pneumatic drill | handheld power drills |
| 3,214,940 | Nov. 02, 1965 | L. Kramer | Pneumatic impact wrench | |
| 3,696,834 | Oct. 10, 1972 | W. Vonhoff, Jr. | Fluid control device | |
| 3,920,088 | Nov. 18, 1975 | E.C. Dudek | Pneumatic impact wrench | |
| 3,934,657 | Jan. 27, 1976 | I.R. Danielson | Dual safety control means for a power tool | |
| 4,416,338 | Nov. 22, 1983 | M.L. Foster, R.R. Zuzinec, J.W. Nelson | Control Mechanism for a Pneumatic Tool | |
| 6,062,323 | May 16, 2000 | J.M. Beer, J.R. Brehm, D.S. Pusateri | Pneumatic Tool with Increased Power Capability | |
| 6,082,468 | Jul. 04, 2000 | J.R. Brehm, D.S. Pusateri | Interchangeable Grips for Power Hand Tools | |
