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JOHNSTON GEORGE W

Overview
  • Total Patents
    15
About

JOHNSTON GEORGE W has a total of 15 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and machines are PLIANT ENERGY SYSTEMS LLC, MORALES JUAN ALBERTO and LAWSON DAVID.

Patent filings in countries

World map showing JOHNSTON GEORGE Ws patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 3

Patent filings per year

Chart showing JOHNSTON GEORGE Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnston George W 15
#2 Wheeler William Eugene 1
#3 Johnston James F 1

Latest patents

Publication Filing date Title
US2127563A Paper cutting machine
US1626736A Boat-propelling mechanism
US1463121A Window screen
US1487946A Combined fluid-pressure motor and pump
US1360222A Submerged compressed-air power plant
US1360221A Submerged power-wheel
US1199702A Combination life-saver and swimming device.
US827021A Air and vacuum motor.
US784569A Air or liquid reciprocating engine and pump having rotary operating mechanism.
CA82010A Pump
US736107A Filter.
US727374A Filter.
US717750A Air or liquid reciprocating pump having rotary operating mechanism.
CA49699A Electric dental engine
CA6459A Improvements in cooking stoves