Patents for Dreis & Krump Mfg. Co. |
Patents 1 -
14
of 14
|
Number | Date | Patentee | Title | Type |
1,761,351 | Jun. 03, 1930 | J.J. Kutscheid | Holddown for squaring shears | metal shearing machines |
2,105,402 | Jan. 11, 1938 | R.L. Brownlee | Hydraulic hold-down for squaring shears | metal shearing machines |
2,125,539 | Aug. 02, 1938 | R.L. Brownlee | Back gauge for squaring shears | metal shearing machines |
2,136,856 | Nov. 15, 1938 | A.H. Long | Forming press | metalworking presses |
3,210,712 | Oct. 05, 1965 | J.R. Goff | Foot operated potentiometer and switch | hydraulic presses |
3,359,771 | Dec. 26, 1967 | F.R. Meyerchick, Jr. | Bench brake | sheet metal brakes |
3,359,772 | Dec. 26, 1967 | O.J. Fillip | Hand brake | sheet metal brakes |
3,448,828 | Jun. 10, 1969 | C.K. Goldberg | Drive speed control | sheet metal brakes |
3,757,641 | Sep. 11, 1973 | J.R. Goff | Control system for synchronizing movement of driven machine members | sheet metal brakes |
3,763,690 | Oct. 09, 1973 | R.J. Heitner, J.A. Kirincic | Press brake ram leveling | sheet metal brakes |
3,841,140 | Oct. 15, 1974 | J.F. Hryc | Control system for press brakes and the like | sheet metal brakes |
3,913,450 | Oct. 21, 1975 | R. MacGregor | Hydraulic control system for press brakes or the like | sheet metal brakes |
4,148,203 | Apr. 10, 1979 | B.R. Everett, A. Farazandeh | Computer-controlled press brake | sheet metal brakes |
4,170,124 | Oct. 09, 1979 | R. MacGregor | Hydraulic control system for press brakes and the like | sheet metal brakes |