| All Patents in class 72/19.9 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,891,121 | Dec. 13, 1932 | R. Thoreson | Drawing Press or the Like | hydraulic metalworking presses |
| 3,260,084 | Jul. 12, 1966 | L.D. Mersek | Apparatus for Drawing Linear Stock | wire drawing machines |
| 3,260,085 | Jul. 12, 1966 | L.D. Mersek | Wire Drawing Apparatus | wire drawing machines |
| 3,464,315 | Sep. 02, 1969 | H.A. Weyer | Mechanical pneumatic servo control system for high-speed impact devices | drop hammers |
| 4,653,300 | Mar. 31, 1987 | C.J. Crout, C.W. Frame, R.N. Harris | Adaptive, self-regulating forging hammer control system | drop hammers |
| 5,715,724 | Feb. 10, 1998 | C.J. Crout, R.N. Harris | Adaptive, self-regulating forging hammer control system | drop hammers |
