Learn more

WISHART JOHN DONALD

Overview
  • Total Patents
    33
About

WISHART JOHN DONALD has a total of 33 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United Kingdom, Canada and Germany. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and basic materials chemistry are THERY GEORGES, ALBERT BAGNULO and TOIMINIMI KONE SAMPO.

Patent filings per year

Chart showing WISHART JOHN DONALDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wishart John Donald 16
#2 Wishart John D 6
#3 John Donald Wishart 2
#4 Donald Wishart John 2
#5 Jiyon Donarudo Uishiyaato 1

Latest patents

Publication Filing date Title
AU7970291A Split cycle internal combustion engine
EP0531389A1 Split cycle internal combustion engine
MW2282A1 Improvements in split cycle internal combustion engines
ZM10181A1 Improvements in split cycle internal combustion engines
CA1163511A Split cycle internal combustion engines
EP0072804A1 Spark ignition internal combustion engine.
DE2840923A1 INTERNAL COMBUSTION ENGINE WITH DIVIDED GAME
GB1190948A Improvements relating to Internal Combustion Engines
GB1120248A Improvements in and relating to internal combustion engines
GB495907A Improved valve devices for regulating the proportions of gas and air used by gas engines
GB491279A Improved means for regulating the water feed to suction gas producers
CA403759A Gas producer air and steam supplying device
CA804343A Internal combustion engines