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Manufacturers Index - Hisey-Wolf Machine Co.

Hisey-Wolf Machine Co.
Cincinnati, OH, U.S.A.
Manufacturer Class: Wood Working Machinery & 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
712,537 Nov. 04, 1902 Electric grinding device Charles S. Hisey Dayton, KY This "portable electrically driven grinding machine" could be hand-held but it was primarily intended for use as an attachment to lathes, planers, milling, machines, etc., for grinding operations. The direct-drive DC motor revolved at about 4500 RPM according to the March 1903 American Engineer and Railroad Journal.
752,223 Feb. 16, 1904 Variable-speed mechanism Charles S. Hisey Dayton, KY
1,259,130 Mar. 12, 1918 Internal and External Grinder Emil Ritz Jr. Cheviot, OH Allen & Allen - patent attorneys
1,259,131 Mar. 12, 1918 Grinder Emil Ritz Jr. Cheviot, OH Allen & Allen - patent attorneys
1,380,595 Jun. 07, 1921 Quick-throw electric switch Emil Ritz Jr. Cincinnati, OH
1,525,691 Feb. 10, 1925 Electric motor George Henry Poth Cincinnati, OH
1,638,459 Aug. 09, 1927 Grinding-wheel guard Emil Ritz Mount Healthy, OH The assignee, Hisey-Wolf Machine Co., is described as "a partnership consisting of Walter J. Friedlander and Joseph A. Friedlander, both of Cincinnati, Ohio."
1,938,723 Dec. 12, 1933 Grinding machine Emil Ritz Jr. Mount Healthy, OH
1,953,133 Apr. 03, 1934 Construction of grinders for use in lathes or the like Emil Ritz Jr. Mount Healthy, OH This invention is for metal-working rather than wood-working, but is of interest because the assignee made drill presses and bench grinders that might be used by woodworkers.
1,982,483 Nov. 27, 1934 Grinding machine Emil Ritz Jr. Mount Healthy, OH
2,003,495 Jun. 04, 1935 Grinding machine Emil Ritz Jr. Mount Healthy, OH
2,073,967 Mar. 16, 1937 Bolt turning machine and the like Albert Kiefer Cincinnati, OH