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Manufacturers Index - Imperial Brass Mfg. Co.

Imperial Brass Mfg. Co.
Chicago, IL, U.S.A.
Company Website: https://imperial-tools.com/
Manufacturer Class: Metal Working Machinery & Steam and Gas Engines

Patents
This page contains information on patents issued to this manufacturer.

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Key to Links for Patent Information

USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
1,724,697 Aug. 13, 1929 Flaring Tool August C. Dobrick Chicago, IL The device includes clamping bars with openings corresponding to standard tubing sizes, and a sliding yoke with screw driven conical spreader. The openings in the clamping bars have "screw threaded" surfaces to grip the tubing.
Imperial Brass produced tube flaring tools, and had numerous related patents.
1,795,358 Mar. 10, 1931 Tool for spinning angular flanges on metal tubes William E. Arndt Detroit, MI The assignee made refrigeration systems; in 1932 Imperial Brass Mfg. Co. acquired all rights to their line of tubing tools. We have a report of a tool marked with this patent number along with the name of the Imperial Brass Mfg. Co.
D99,190 Apr. 07, 1936 Design for a tube cutter August C. Dobrick Chicago, IL Example marked Imperial Brass Chicago
2,126,951 Aug. 16, 1938 Tube cutter August C. Dobrick Chicago, IL This patent number was seen on a No. 127F tube cutter from Imperial Brass.
D161,438 Jan. 02, 1951 Tube Cutting Tool George E. Franck Riverside, Cook County, IL
2,787,054 Apr. 02, 1957 Readily Adjustable Tube Cutting Means George E. Franck Riverside, Cook County, IL
2,796,785 Jun. 25, 1957 Tube bender Howard L. Philippe Chicago, IL The reissue associated with this patent number was seen on an "Imperial/Eastman lever type tube bender", along with patent numbers 2,887,917 and 3,685,335.
RE24,449 Apr. 01, 1958 Hand-operated, plier-type tube bender Howard L. Philippe Chicago, IL This patent number was seen on an "Imperial/Eastman lever type tube bender", along with patent numbers 2,887,917 and 3,685,335.
2,887,917 May. 26, 1959 Tube bender scale means Leonard J. Kowal Prospect Heights, IL This patent number was seen on an "Imperial/Eastman lever type tube bender", along with patent numbers 24,449 and 3,685,335.
3,685,335 Aug. 22, 1972 Tube bender Leonard J. Kowal Prospect Heights, IL This patent number was seen on an "Imperial/Eastman lever type tube bender", along with patent numbers 24,449 and 2,887,917.