Patents for Harry Pelphrey


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Patents for Harry Pelphrey
Patents 1 - 15 of 17
Number	Date	Patentee	Title	Type
2,057,970	Oct. 20, 1936	H. Pelphrey	Lead Checking Device for Globoidal Worms	gear measuring machines
2,076,742	Apr. 13, 1937	H. Pelphrey	Form Tool Fixture	grinding fixtures
2,087,957	Jul. 27, 1937	H. Pelphrey	Gear Checking Device	gear measuring machines
2,142,285	Jan. 03, 1939	H. Pelphrey	Hob and Method of Manufacture	gear cutting tools
2,335,606	Nov. 30, 1943	H. Pelphrey	Worm Gear Mounting	industrial machine gearing
2,346,865	Apr. 18, 1944	H. Pelphrey	Method of Forming Gear Cutters	gear cutting tools
2,346,866	Apr. 18, 1944	H. Pelphrey	Fixture for forming Gear Cutters	gear cutting tools
2,346,867	Apr. 18, 1944	H. Pelphrey	Machine for Forming Gears	gear making machines
2,348,844	May 16, 1944	H. Pelphrey	Gear Shaving Hob	gear cutting tools
2,348,845	May 16, 1944	H. Pelphrey	Machine for Forming Gears	gear making machines
2,374,890	May 01, 1945	H. Pelphrey	Geat Cutter	gear cutting tools
2,408,949	Oct. 08, 1946	H. Pelphrey	Hob Grinder	tool grinders
2,419,726	Apr. 29, 1947	H. Pelphrey	Automatic Worm Gear Hobbing Machine	gear making machines
2,504,578	Apr. 18, 1950	H. Pelphrey	Internal Gear Shaving Machine	gear making machines
2,682,100	Jun. 29, 1954	H. Pelphrey	Gear Shaving Cutter	gear cutting tools