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Patents for Thompson Grinder Co.
Patents 31 - 45 of 90
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NumberDatePatenteeTitleType
2,424,347Jul. 22, 1947J.C. WilsonMachine Tool for Cutting Surfaces of Irregular Shapesurface grinders
2,426,807Sep. 02, 1947J.C. WilsonApparatus for Shaping Workpieces by Grindinggrinding attachments
2,436,466Feb. 24, 1948J.C. WilsonMethod and Apparatus for Grinding and Lappingsurface grinders
2,438,239Mar. 23, 1948H.A. Toulmin, Jr.Ball Grinding Machinegrinding machines
2,456,762Dec. 21, 1948J.C. WilsonApparatus for Crush Dressing Grinding Wheelsgrinder dressers
2,457,383Dec. 28, 1948F.G. KrafftApparatus for grindinggrinders
2,473,670Jun. 21, 1949J.C. WilsonGrinding Machinesurface grinders
2,482,302Sep. 20, 1949O.M. SummersFiltering Systemcoolant apparatus
2,495,492Jan. 24, 1950J.C. WilsonApparatus for Crush Dressing Grinding Wheelsgrinder dressers
2,503,646Apr. 11, 1950J.C. WilsonApparatus for Dressing a Grinding Wheel to a Predetermined Configurationgrinder dressers
2,518,835Aug. 15, 1950O.M. SummersFilter systemcoolant apparatus
2,534,941Dec. 19, 1950W.G. BaldenhoferMethod and apparatus for grindingprofile and contour grinders
2,535,183Dec. 26, 1950J.C. WilsonGrinding Wheel Dressing Apparatusgrinder dressers
2,535,184Dec. 26, 1950J.C. WilsonMethod and Apparatus for Supplying Coolant to Grinding Wheelscoolant apparatus
2,554,079May 22, 1951J.C. WilsonMethod and Apparatus for Continuous Form Grindingsurface grinders
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