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POTTER AND JOHNSTON MACHINE CO

Overview
  • Total Patents
    12
About

POTTER AND JOHNSTON MACHINE CO has a total of 12 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets machine tools, machines and control are KUMMER FRERES SA, GILDEMEISTER WERKZEUGMASCH and OTEC KK.

Patent filings in countries

World map showing POTTER AND JOHNSTON MACHINE COs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 United States 2
#3 France 1

Patent filings per year

Chart showing POTTER AND JOHNSTON MACHINE COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Potter James Charles 1
#2 Joseph Fuller Alfred 1

Latest patents

Publication Filing date Title
GB637273A Improvements in turret lathes and like machine tools
GB630111A Improvements relating to turret lathes and like machine tools
GB630109A Improvements relating to lathes and like machine tools
GB630106A Improvements relating to spindle mountings for lathes and like machine tools
GB630117A Improvements relating to feed change mechanism for lathes and like machine tools
GB630108A Improvements relating to change speed mechanism for lathes and like machine tools
GB630068A Improvements relating to automatic turret lathes and like machine tools
GB588610A Automatic control means for change speed mechanisms for machine tools
US2357396A Automatic control means for change-speed mechanisms for machine tools
US1072648A Automatic turret-lathe.