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Manufacturers Index - Covel Manufacturing Co.

Covel Manufacturing Co.
Chicago, IL; Benton Harbor, MI, 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
173 Dec. 06, 1869 Saw swage Simon Kinney ON, Canada Kinney is described as a machinist.
278,684 Jun. 05, 1883 Saw Swage Milo Covel Chicago, Cook County, IL
279,769 Jun. 19, 1883 Saw-swage Simon Kinney Port Townsend, WA
297,698 Apr. 29, 1884 Saw-swage Simon Kinney San Francisco, CA The May 1901 The Wood-Worker carried an article by J. H. Miner on The Use of the Kinney Swage. "Take a trip among the average and better class of mills and you will find about one Kinney (or kindred) swage in ten used with anything like success, and about one in twenty-five where the swage is used as it should be... It is the best tool ever put into a saw mill when properly used."
319,794 Jun. 09, 1885 Saw sharpening machine Milo Covel Chicago, IL
342,188 May. 18, 1886 Saw Swaging Device Milo Covel Chicago, Cook County, IL
345,121 Jul. 06, 1886 Saw Swaging Machine Milo Covel Chicago, Cook County, IL
523,882 Jul. 31, 1894 Saw Dressing Machine Milo Covel Chicago, Cook County, IL
574,855 Jan. 05, 1897 Saw-sharpening machine Henry P. Schofield Chicago, IL
615,152 Nov. 29, 1898 Saw-sharpening machine Lars Larsen Filstrup Chicago, IL This patent gives improvements to patent 574,855. See also patents 654,844 and 755,319.
RE11,733 Apr. 11, 1899 Saw-sharpening machine Lars Larsen Filstrup Chicago, IL This patent gives improvements to patent 574,855. See also patents 654,844 and 755,319.
628,655 Jul. 11, 1899 Saw-sharpening machine Lars Larsen Filstrup Chicago, IL Improvements to patent 574,855, reissued as 11,733. The improvements are to the mechanism that inclines the driving pulley to keep it aligned with the grinding-wheel pulley as its inclination changees.
654,829 Jul. 31, 1900 Saw-sharpening machine Lars Larsen Filstrup Chicago, IL
654,843 Jul. 31, 1900 Saw support and guide Henry P. Schofield Chicago, IL In 1905 the Seventh Circuit Court of Appeals found patent 654,843, 654,844, 654,845, and 669,251, "void for lack of patentable invention in view of the prior art, in which the same devices were found in use in saw-swaging machines."
654,844 Jul. 31, 1900 Saw-sharpening machine Henry P. Schofield Chicago, IL In 1905 the Seventh Circuit Court of Appeals found patent 654,843, 654,844, 654,845, and 669,251, "void for lack of patentable invention in view of the prior art, in which the same devices were found in use in saw-swaging machines."
654,845 Jul. 31, 1900 Saw-support Henry P. Schofield Chicago, IL This saw support is for using while sharpening bandsaw blades
n 1905 the Seventh Circuit Court of Appeals found patent 654,843, 654,844, 654,845, and 669,251, "void for lack of patentable invention in view of the prior art, in which the same devices were found in use in saw-swaging machines."
667,924 Feb. 12, 1901 Saw-sharpening machine Lars Larsen Filstrup Chicago, IL
    Saw-sharpening machine Henry P. Schofield Chicago, IL  
669,251 Mar. 05, 1901 Saw-sharpening machine Henry P. Schofield Chicago, IL In 1905 the Seventh Circuit Court of Appeals found patent 654,843, 654,844, 654,845, and 669,251, "void for lack of patentable invention in view of the prior art, in which the same devices were found in use in saw-swaging machines."
    Saw-sharpening machine Lars Larsen Filstrup Chicago, IL  
755,319 Mar. 22, 1904 Saw-sharpening machine Henry P. Schofield Chicago, IL Improvements to patents 11,733 and 654,844.
815,269 Mar. 13, 1906 Saw Swaging Machine William Landon Covel Biloxi, Harrison County, MS This patent was improved by patent #934,046.
934,046 Sep. 14, 1909 Saw Swaging Machine William Landon Covel Biloxi, Harrison County, MS This patent is an improvement of patent #815,269.
1,116,656 Nov. 10, 1914 Micrometer back-gauge for band-saws Edwin C. Widemire Winterburn, WV In large band sawmills, the blades are hammered so that the back of the blade is slightly convex, amounting to about 1/64 to 1/32 inch over five feet. This invention is a micrometer-based gauge that measures this convexity. This style of gauge is still in production and is still known as a Widemire gauge.
160,180 Jan. 19, 1915 Gauge for band saws Edwin C. Widemire Winterburn, WV This is the Canadian equivalent of US patent 1,116,656.
1,260,974 Mar. 26, 1918 Saw Grinding Machine Eddie C. Filstrup Benton Harbor, MI
1,339,452 May. 11, 1920 Dressing-tool for grinding-wheels Edwin T. Gorham Grand Rapids, MI This patent date was seen on a Yankee drill grinder from Covel Mfg. Co.
1,382,003 Jun. 21, 1921 Drill-holder Henry W. Lightner Grand Rapids, MI This patent date was seen on a Yankee drill grinder from Covel Mfg. Co.
1,391,034 Sep. 20, 1921 Drill-holder Arthur Williams Grand Rapids, MI This patent date was seen on a Yankee drill grinder from Covel Mfg. Co.
1,672,014 Jun. 05, 1928 Power-transmission mechanism Arthur Williams Grand Rapids, MI
1,753,590 Apr. 08, 1930 Workholder for bar-grinding machines Frederic K. Benedict Big Rapids, MI "A locomotive guide bar is a heavy piece of work quite wide and several feet long, and its working fact, on which the engine cross head is to slide, must be ground to a true plane and it must also be parallel with the faced pads or bearing surfaces that are provided on the back face of the bar near its ends..."