Manufacturers Index - Dreis & Krump Manufacturing Co.
Dreis & Krump Manufacturing Co.
Chicago, IL, U.S.A.
Company Website: http://www.dreis-krump.com/
Manufacturer Class:
Metal Working Machinery
This page contains information on patents issued to this manufacturer.
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USPTO's for finding information on machinery patents.
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1,761,351
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Jun. 03, 1930
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Holddown for squaring shears
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John J. Kutscheid |
Chicago, IL |
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2,105,402
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Jan. 11, 1938
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Hydraulic hold-down for squaring shears
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Robert Leslie Brownlee |
Chicago, IL |
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2,125,539
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Aug. 02, 1938
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Back gauge for squaring shears
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Robert Leslie Brownlee |
Chicago, IL |
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2,136,856
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Nov. 15, 1938
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Forming press
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Arthur H. Long |
Chicago, IL |
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3,210,712
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Oct. 05, 1965
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Foot operated potentiometer and switch
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John R. Goff |
Alsip, IL |
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3,359,771
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Dec. 26, 1967
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Bench brake
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Frank R. Meyerchick Jr. |
Dolton, IL |
A bench brake for use in light capacity sheet metal work and having a cast top leaf supported by eccentrically mounted hinge pins rotatable to permit adjustment for different metal thicknesses..." |
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3,359,772
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Dec. 26, 1967
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Hand brake
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Orville J. Fillip |
Chicago, IL |
"A hand brake having a top leaf supported on the bottom leaf by a hinge arrangement which is adjustable without the aid of tools, and is self-locking..." |
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3,448,828
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Jun. 10, 1969
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Drive speed control
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Charles K. Goldberg |
Chicago, IL |
"A drive speed control of the planetary transmission type having a lubricating system that does not rely on agitation alone..." |
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3,757,641
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Sep. 11, 1973
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Control system for synchronizing movement of driven machine members
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John R. Goff |
Alsip, IL |
"A control system for synchronizing movement of two hydraulically actuated, individually driven and leveled machine members. Preferably, the control unit is used with a pair of hydraulically operated press brakes or other like machines having reciprocable rams which are advanced and retracted by hydraulic fluid under pressure..." |
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3,763,690
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Oct. 09, 1973
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Press brake ram leveling
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Joseph A. Kirincic |
Evergreen Park, IL |
"A press brake having a ram leveling adjustment in its ram advancing means is disclosed. Adjustment can be made even though tooling is secured to the bed and ram..." |
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Press brake ram leveling
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Raymond J. Heitner |
Oak Lawn, IL |
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3,841,140
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Oct. 15, 1974
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Control system for press brakes and the like
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John F. Hryc |
Chicago, IL |
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3,913,450
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Oct. 21, 1975
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Hydraulic control system for press brakes or the like
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Robert MacGregor |
Blue Island, IL |
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4,148,203
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Apr. 10, 1979
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Computer-controlled press brake
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Assadollah Farazandeh |
Aurora, IL |
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Computer-controlled press brake
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Buford R. Everett |
Indian Head Park, IL |
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4,170,124
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Oct. 09, 1979
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Hydraulic control system for press brakes and the like
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Robert MacGregor |
Blue Island, IL |
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