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SHELL CANADA LTD

Overview
  • Total Patents
    2,664
About

SHELL CANADA LTD has a total of 2,664 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Canada, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets organic fine chemistry, chemical engineering and basic materials chemistry are SHELL OIL CO, ATLANTIC RICHFIELD CO and STANDARD OIL CO INDIANA.

Patent filings per year

Chart showing SHELL CANADA LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Drent Eit 105
#2 Vinegar Harold J 73
#3 Sie Swan T 62
#4 Post Martin F M 47
#5 Wellington Scott Lee 37
#6 Richardson Edwin A 31
#7 Stegemeier George Leo 27
#8 Karanikas John Michael 26
#9 Slaugh Lynn H 23
#10 De Rouffignac Eric 23

Latest patents

Publication Filing date Title
CA2682246A1 Method and assembly for abrasive jet drilling
CA2671160A1 Method and apparatus for passing a mixed vapour and liquid stream and method of cooling a hydrocarbon stream
CA2667429A1 Process for producing purified natural gas
CA2667425A1 Radially expanding a tubular element
CA2666580A1 Process for manufacturing an asphalt paving mixture
CA2662100A1 Method of expanding a tubular element
CA2661367A1 Method for controlling and/or optimizing production of oil and/or gas wells and facilities
CA2654049A1 Cyclic steam stimulation method with multiple fractures
CA2651275A1 Method of analyzing a subterranean formation
CA2626076A1 Process for producing a purified gas stream
CA2620734A1 Method of producing a hydrocarbon stream from a subterranean zone
CA2617494A1 Method and system for determining an electromagnetic response from an earth formation and method of drilling a borehole and method of producing a hydrocarbon fluid
CA2598142A1 Method for removing contaminating gaseous components from a natural gas stream
CA2583029A1 Method and system for production metering of oil wells
CA2521248A1 Method for separating bitumen from an oil sand froth
CA2570058A1 Closed loop control system for controlling production of hydrocarbon fluid from an underground formation
CA2570057A1 Screen for controlling inflow of solid particles in a wellbore
CA2502329A1 Method and system for inhibiting dewatering of asphaltene flocs in a bitumen froth separation vessel
CA2557200A1 System for sealing an annular space in a wellbore
CA2554237A1 Suppressing fluid communication to or from a wellbore