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ATLANTIC RICHFIELD CO

Overview
  • Total Patents
    5,601
About

ATLANTIC RICHFIELD CO has a total of 5,601 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and civil engineering are SHELL CANADA LTD, STANDARD OIL CO INDIANA and SHELL OIL CO.

Patent filings per year

Chart showing ATLANTIC RICHFIELD COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sofranko John A 111
#2 Yoo Jin S 76
#3 Jones C Andrew 73
#4 Airhart Tom P 72
#5 Dean Barry D 63
#6 Leonard John J 62
#7 Zajacek John G 60
#8 Baillie Lloyd A 58
#9 Perkins Thomas K 54
#10 Rosenthal Rudolph 52

Latest patents

Publication Filing date Title
US6482762B1 NOx conversion catalyst rejuvenation process
US6273144B1 Method for inhibiting external corrosion on an insulated pipeline
US6353988B1 Method of installing a highly tensioned suspended pipeline
US6318480B1 Drilling of laterals from a wellbore
US6209641B1 Method and apparatus for producing fluids while injecting gas through the same wellbore
US6156234A Process for supplying a gaseous mixture to an autothermal reactor
US6166546A Method for determining the relative clay content of well core
US6283204B1 Oil and gas production with downhole separation and reinjection of gas
US6283213B1 Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulus
US6248794B1 Integrated process for converting hydrocarbon gas to liquids
US6257331B1 Downhole setting tool
US6260619B1 Oil and gas production with downhole separation and compression of gas
US6154705A System for attenuating high order free surface multiples from a seismic shot record using a genetic procedure
US6192316B1 Fracture discrimination using borehole frequency response of stoneley waves
US6258332B1 Apparatus and method for collecting and recycling a petroleum by-product
US6176327B1 Method and toolstring for operating a downhole motor
WO0065197A1 Method and system for increasing oil production from an oil well producing a mixture of oil and gas
US6168708B1 Method for recovery and recycling of hydrocarbon residue
US6148911A Method of treating subterranean gas hydrate formations
US6058073A Elastic impedance estimation for inversion of far offset seismic sections