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Manufacturers Index - Ingersoll Milling Machine Co.

Ingersoll Milling Machine Co.
Rockford, IL, U.S.A.
Manufacturer Class: Metal Working Machinery

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

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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
294,673 Mar. 04, 1884 Grinding-mill Ezra Rhodes Cleveland, OH Co-assignee was partner in W. R. Eynon & Co., which manufactured this mill and which eventually became Ingersoll Milling Machine Co.
338,221 Mar. 16, 1886 Grinding-mill William R. Eynon Cleveland, OH This feed grinder was manufactured by W. R. Eynon & Co., which became Ingersoll Milling Machine Co.
23,785 Apr. 08, 1886 Grinding mill William R. Eynon Cleveland, OH This feed grinder was manufactured by W. R. Eynon & Co., which began making milling machines and became Eynon & Ingersoll and then Ingersoll Milling Machine Co.
392,597 Nov. 13, 1888 Cutting-tool for milling and gear-cutting machines Thomas Eynon Cleveland, OH
417,776 Dec. 24, 1889 Milling-tool Thomas Eynon Cleveland, OH
856,662 Jun. 11, 1907 Face-mill grinder George W. Smith Rockford, IL "The object of this invention is to construct a machine for grinding the knives of a milling-machine, and in which the knives are ground from their cutting edge toward the heel..."
991,100 May. 02, 1911 Milling-machine George W. Smith Rockford, IL This patent date was seen in an Ingersoll Milling Machine Co. catalog for their No. 2 Heavy Duty Ingersoll Miller, available in both vertical and combined versions. The same patent date is seen in that catalog for their Numbers 3 and 5 milling machines, which are both combined models, i.e., knee-type milling machines equipped with both horizontal and vertical spindles.
1,188,339 Jun. 20, 1916 Milling-machine John B. Sinderson Rockford, IL "This invention relates in general to milling machines and has more particular reference to those of the knee-type in which the frame is shaped to provide an overhanging or projecting head for supporting a vertical cutter-holding spindle in addition to the customary horizontal spindle journaled in the upright portion or frame proper of a milling machine. The primary object of my invention is to provide a milling machine in which an angular face or a sharp corner may be milled in one operation by a pair of face milling cutters each of which shall mill a surface of a width substantially equal to its face diameter."
3,009,294 Nov. 21, 1961 Grinder with wheel dresser Thomas J. Lindem Rockford, IL
    Grinder with wheel dresser Jan van Roojen Rockford, IL