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SHELL DEV

Overview
  • Total Patents
    6,413
About

SHELL DEV has a total of 6,413 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and chemical engineering are CALIFORNIA RESEARCH CORP, BATAAFSCHE PETROLEUM and SINCLAIR RESEARCH INC.

Patent filings in countries

World map showing SHELL DEVs patent filings in countries
# Country Total Patents
#1 United States 3,451
#2 Canada 2,649
#3 United Kingdom 250
#4 France 52
#5 Switzerland 9
#6 Spain 2

Patent filings per year

Chart showing SHELL DEVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Morris Rupert C 198
#2 Shokal Edward C 134
#3 Evans Theodore W 132
#4 Ballard Seaver A 124
#5 Rust Frederick F 104
#6 Vaughan William E 100
#7 Groll Herbert P A 93
#8 Peski Adrianus Johannes Van 91
#9 Mcallister Sumner H 87
#10 Adelson David E 85

Latest patents

Publication Filing date Title
US4536586A Trimethyl 6-oxabicyclo[3.2.1]octan-4-ols and 4-ones
US4215000A Dissolving barium sulfate scale with aqueous solutions of bicyclic macrocyclic polyethers and organic acid salts
US4167619A Purification of propylene polymerization product
US4012457A Thermal cracking method for the production of ethylene and propylene in a molten metal bath
US4012486A Process for reducing the total sulfur content of Claus off-gases
US3250820A Tertiary amylene concentration
US2916531A Dehydrogenation of hydrocarbons
US2912830A Method for filling closed containers with volatile liquids
US2912284A Engaging finely-divided solids with a conveying gas
US2883437A Alkylation process
US2915558A Process for the separation of diisopropylbenzene dihydroperoxides
US2913393A Process for upgrading of straight run gasolines by a combination of catalytic reforming and isomerization
US2915563A Allylation of aromatic compounds
US2895895A Production of carbon black oil
US2904228A Splitting streams of particulate solids
US2913281A Transport of finely divided solids
US2915470A Grease manufacturing process for pigment or dye gelled oils
US2906509A Tubular waste-heat boiler
US2917459A Metal-working lubricants
US2916182A Lined tube and plate connection