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NEW BRITAIN GRIDLEY MACHINE CO

Overview
  • Total Patents
    22
About

NEW BRITAIN GRIDLEY MACHINE CO has a total of 22 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets machine tools, machines and engines, pumps and turbines are SP MFG CORP, WOODWORTH CO N A and ERICKSON TOOL CO.

Patent filings in countries

World map showing NEW BRITAIN GRIDLEY MACHINE COs patent filings in countries
# Country Total Patents
#1 United States 14
#2 United Kingdom 4
#3 Germany 3
#4 France 1

Patent filings per year

Chart showing NEW BRITAIN GRIDLEY MACHINE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brown Robert S 10
#2 Montgomery Donald H 3
#3 David Gilchrist 1
#4 Retz William B 1

Latest patents

Publication Filing date Title
US2012826A Collet
US2006496A Machine tool
GB392176A Improvements in or relating to turning lathes, screw-machines and like mutiple spindle machines
US2054358A Metalworking machine
US2004793A Hydraulic apparatus
DE587861C Multi-spindle automatic lathe
DE587862C Hydraulic chuck control for machine tools, preferably automatic turning frames
GB349643A Improvements in multiple-spindle lathes and like machine tools
GB350578A Improvements in multiple spindle lathes and like machine tools
US1973368A Metal working machine
US1887621A Chucking mechanism
US1780889A Metal-working machine
US2054018A Machine tool
US1796936A Hydraulic apparatus
US1892929A Metal working machine
US1969687A Chuck
US1813480A Threading device
US1879656A Chuck
US1833822A Automatic chucking machine