Manufacturers Index - Armstrong Manufacturing Co. (Portland)
Armstrong Manufacturing Co. (Portland)
Portland, OR, U.S.A.
Company Website: http://www.armstrongblue.com/
Manufacturer Class:
Wood Working Machinery & Metal Working Machinery
This page contains information on patents issued to this manufacturer.
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USPTO = U.S. Patent Office .
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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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1,169,377
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Jan. 25, 1916
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Grinding-machine
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Walter C. Barnhart |
Seattle, WA |
The invention is a machine for grinding the faces of "pulleys or wheels". This is the genesis of the Barnhart Wheel Grinder which was used to true the faces of the wheels of band mills, which would be widely used in Northwestern sawmills. See patent 1,394,704 for a subsequent improvement by the inventor. |
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1,394,704
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Oct. 25, 1921
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Pulley-grinding machine
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Walter C. Barnhart |
Seattle, WA |
Improvement on the inventor's patent 1,169,377. |
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1,551,230
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Aug. 25, 1925
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Hand-operated circular-saw sharpener and gummer
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Edward P. Armstrong |
Portland, OR |
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1,771,602
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Jul. 29, 1930
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Grinder for Concave Saw Teeth
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Robert S. Jackson |
Eugene, Lane County, OR |
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Grinder for Concave Saw Teeth
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Edward P. Armstrong |
Portland, Multnomah County, OR |
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1,824,349
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Sep. 22, 1931
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Power attachment for saw swages
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George Fraley |
Fresno, CA |
This invention was sold as the Armstrong No. 7 Air Driven Swage. |
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Power attachment for saw swages
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Rae G. Horton |
Fresno, CA |
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1,881,761
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Oct. 11, 1932
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Welding clamp
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Overend J. W. Lougheed |
Portland, OR |
Invention is a device for welding bandsaw blades at the bench.
The 1950 catalog from Armstrong Mfg. Co. of Portland, Oregon, features the "Lougheed Patent" Armstrong Welding Clamp. The shipping weight for the 12" and 16" versions were 90 lbs and 110 lbs, respectively. |
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2,627,708
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Feb. 10, 1953
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Method of truing the peripheral surfaces of band saw wheels
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Milton H. Mater |
Corvallis, OR |
This device was an improvement on the original Barnhart wheel grinder of patent 1,394,704 and was sold as the Armstrong No. 41 Band Wheel Grinder, also known as the Barnhart No. 41. |
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Method of truing the peripheral surfaces of band saw wheels
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Claud C. Walker Sr. |
Corvallis, OR |
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