Manufacturers Index - Illinois Tool Works (ITW)
Illinois Tool Works (ITW)
Chicago, IL, U.S.A.
Company Website: http://www.itw.com/
Manufacturer Class:
Metal Working Machinery
This page contains information on patents issued to this manufacturer.
Submitting Patent Information
If you find a patent number or patent date by this manufacturer that is not on this
list, please contact the Site Historian.
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.
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1,232,714
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Jul. 10, 1917
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Tool Holder and Driver
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Carl G. Olson |
Chicago, Cook County, IL |
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1,238,935
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Sep. 04, 1917
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Lathe
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Carl G. Olson |
Chicago, IL |
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1,238,934
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Sep. 04, 1917
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Lathe
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Carl G. Olson |
Chicago, IL |
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1,254,071
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Jan. 22, 1918
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Chuck
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William F. Reinlie |
Chicago, IL |
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1,259,770
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Mar. 19, 1918
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Grinding Machine
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Carl G. Olson |
Chicago, IL |
Cheever & Cox - patent attorneys
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1,357,813
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Nov. 02, 1920
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Testing Machine
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Carl G. Olson |
Chicago, IL |
Cheever & Cox - patent attorneys
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1,612,830
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Jan. 04, 1927
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Grinding machine
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Carl G. Olson |
Chicago, IL |
This machine grinds gear teeth by means of hobbing, i.e., a continuous helical tooth profile is provided on the periphery of the grinding wheel and then the gear blank is fed in synchrony with the rotation of the grinding wheel.
This patent was referenced in patent 2,607,175, which offers refinements to this patent's approach. |
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3,037,428
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Jun. 05, 1962
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Automatic milling machine
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Henry J. Flair |
Chicago, IL |
This milling machine was intended for "cutting helical gears, pinions, flutes in end mills, etc." |
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