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CALIFORNIA RESEARCH CORP

Overview
  • Total Patents
    2,713
About

CALIFORNIA RESEARCH CORP has a total of 2,713 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and chemical engineering are BATAAFSCHE PETROLEUM, SHELL DEV and RES LTD.

Patent filings in countries

World map showing CALIFORNIA RESEARCH CORPs patent filings in countries
# Country Total Patents
#1 United States 1,221
#2 Canada 628
#3 United Kingdom 370
#4 France 257
#5 Germany 174
#6 Switzerland 20
#7 Spain 14
#8 Denmark 11
#9 Belgium 5
#10 Austria 4
#11 Sweden 3
#12 Brazil 2
#13 Finland 2
#14 Greece 1
#15 Norway 1

Patent filings per year

Chart showing CALIFORNIA RESEARCH CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stewart William T 76
#2 Stuart Frank A 73
#3 Barusch Maurice R 49
#4 Hotten Bruce W 48
#5 Stayner Richard D 48
#6 Warren Lowe 47
#7 Toland Jr William G 43
#8 Clayton James O 35
#9 Lowe Warren 34
#10 Scott Jr John W 32

Latest patents

Publication Filing date Title
US3766519A Method for processing surface detected seismic data to plotted representations of subsurface directional seismic data
US3525358A Relief valve system for vessels undergoing intermittent explosions
DE1594374B1 Lubricating greases based on complex, basic aluminum salts of higher fatty acids and aromatic carboxylic acids
US3176769A Consolidation of incompetent earth formations
CA966950A "OMEGA-HALO-.alpha.-OLEFIN COPOLYMERS AND PROCESS FOR MAKING SAME"
US3211642A Hydrocracking and rejuvenation of hydrocracking catalyst
US3216921A Candle composition
US3176768A Sand consolidation
US3178447A N-polyhaloalkylthio compounds
US3184402A Hydrocracking process
US3185639A Hydrocarbon conversion process
US3204694A Thermal additive waterflooding method
GB1033694A Cyclic-hexahydro-o-xylylene derivatives
US3199953A Process for production of anhydrous hydrogen bromide from lithium bromide
GB1004164A Column support for offshore platforms
GB1013845A Catalytic conversion process for the production of low freezing point fuels
US3204696A Apparatus for exhausting from downhole burner
GB1006592A Consolidation of incompetent earth formations
US3192109A Method for controlling insects and helminths with triazinyl compounds
US3222271A Process for rejuvenating catalysts