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GRAYSON ENGINE COMPANY LTD

Overview
  • Total Patents
    16
About

GRAYSON ENGINE COMPANY LTD has a total of 16 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets engines, pumps and turbines and environmental technology are PROSPER L ORANGE, TRANSONIC COMB INC and KNUT JONAS ELIAS HESSELMAN.

Patent filings in countries

World map showing GRAYSON ENGINE COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 Germany 3
#3 France 3
#4 Canada 2
#5 Spain 2
#6 United States 2

Patent filings per year

Chart showing GRAYSON ENGINE COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grayson George Wentworth 2
#2 Wentworth Grayson George 2

Latest patents

Publication Filing date Title
GB261352A Improvements in reversible internal combustion engines
GB261353A Improvements in the control of the supply of fuel to diesel cycle or mixed cycle internal combustion engines
US1713178A Control of the supply of fuel to diesel-cycle or mixed-cycle internal-combustion engines
DE471840C Cooling device for pistons of internal combustion engines
DE478510C Inwardly opening injection valve for internal combustion engines with pressure atomization
GB257589A Improvements in solid injection internal combustion engines
GB257588A Improvements in pistons
US1688076A Piston
CA281134A Internal combustion engine
CA272320A Engine fuel mechanism