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PETROCARBON DEV LTD

Overview
  • Total Patents
    202
About

PETROCARBON DEV LTD has a total of 202 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets chemical engineering, materials and metallurgy and environmental technology are SAVINOV MIKHAIL JUR EVICH, SAVINOV MIKHAIL YURIEVICH and COSTAIN OIL GAS & PROCESS LTD.

Patent filings per year

Chart showing PETROCARBON DEV LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Martin Dennis 15
#2 Ruhemann Martin Siegfried Will 10
#3 Mercer Stanley 10
#4 Duckett Melvyn 10
#5 Jones Kenneth 9
#6 Charlesworth Paul L 8
#7 Ashton Gregory Joseph 7
#8 Seddon William Leslie 6
#9 Fletcher John Vincent 6
#10 Jones K 6

Latest patents

Publication Filing date Title
GB8420644D0 Ammonia synthesis gas
GB8333628D0 Recovery of carbon dioxide from gas mixtures
CA1221617A Production of pure nitrogen
GB8332077D0 Separation of gases
GB8327143D0 Purification of helium
GB8324447D0 Improvements in the production of pure nitrogen
ZA8302536B Separation of gas mixtures by partial condensation
GB8304391D0 Air separation plant
GB2120374A Improvements in the production of nitrogen from air
US4461634A Separation of gas mixtures by partial condensation
GB2086028A Separation of gas mixtures by partial condensation
GB2079857A Producing power from a cryogenic liquid
EP0043212A1 Producing power from a cryogenic liquid
US4338108A Process for the recovery of argon
GB2053878A Process for the recovery of argon
GB2069119A Refrigeration process
GB2050326A Recovery of hydrogen and ammonia from purge gas
US4266957A Recovery of hydrogen and ammonia from purge gas
GB2048448A Recovery of hydrogen from ammonia synthesis purge gas
GB2039858A Treatment of ammonia synthesis purge gas