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GRAY & CO G A

Overview
  • Total Patents
    104
About

GRAY & CO G A has a total of 104 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machine tools, machines and mechanical elements are HENDEY MACHINE COMPANY, AMERICAN TOOL WORKS CO and GORTON MACHINE CORP.

Patent filings in countries

World map showing GRAY & CO G As patent filings in countries

Patent filings per year

Chart showing GRAY & CO G As patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Walter John M 55
#2 Cardullo Forrest E 16
#3 Marx Graham E 9
#4 Hunt Howard W 7
#5 Doran John E 5
#6 Geyler Arthur H 3
#7 Ogrinc Joseph F 2
#8 Holmstrom Paul E 2
#9 August Marx 2
#10 Richter Ernst 2

Latest patents

Publication Filing date Title
US3703027A Turret indexing assembly
US3587389A Indexing device for planer-type milling machines
US3485138A Apparatus for cleaning machine tool ways
US3484065A Mechanical column tilting device
US3484064A Plumb control for horizontal boring drilling and milling machine
US3244077A Planer type milling machine with center head
US3165009A Table drive transmission for milling planers
FR1281696A Improvements to machine tools
GB978431A Improvements in or relating to machine tools
GB968088A Improvements in or relating to machine tools
GB977413A Improvements in or relating to machine tools
US3068052A Spring loaded table ball bearings
US3129641A Level adjusting mechanism for the cross-rail of a planar type machine tool
US3153359A Stylus adjusting means
US3103144A Collet clamp for machine tools
US3031896A Table driving mechanism for machine tools
US3040632A Double action cutting tool
US2994250A Power draw bar mechanism
US2947226A Tool lift mechanism
FR1145719A Improvements to machine tools