Learn more

POTTER & JOHNSTON MACHINE COMP

Overview
  • Total Patents
    30
About

POTTER & JOHNSTON MACHINE COMP has a total of 30 patent applications. Its first patent ever was published in 1906. It filed its patents most often in France, United States and United Kingdom. Its main competitors in its focus markets machine tools, machines and control are GILDEMEISTER WERKZEUGMASCH, SAUTER KG FEINMECHANIK and INVO SPLINE INC.

Patent filings in countries

World map showing POTTER & JOHNSTON MACHINE COMPs patent filings in countries
# Country Total Patents
#1 France 17
#2 United States 8
#3 United Kingdom 4
#4 Germany 1

Patent filings per year

Chart showing POTTER & JOHNSTON MACHINE COMPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Curtis Myron S 6
#2 Joseph Fuller Alfred 1
#3 Earle Makant Joseph 1

Latest patents

Publication Filing date Title
GB598909A Improvements in automatic turret lathes and other automatic machine tools
US2377337A Timing box mechanism for machine tools
US2332805A Cross-slide construction for machine tools
US2339839A Machine tool
US2334544A Machine tool
US2227407A Machine tool
US2255739A Machine tool
DE508303C Support with several tool carriers that can be attached and locked at different points on the support
GB277322A Improvements in metal turning lathes
GB301757A Improvements in and relating to clutch operating mechanism for transmitting rotationfrom one shaft to another
US1748540A Turret indexing and locking means
US1880843A Metal working machine