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DEAN ROBERT R

Overview
  • Total Patents
    14
About

DEAN ROBERT R has a total of 14 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Canada and United States. Its main competitors in its focus markets basic materials chemistry, chemical engineering and environmental technology are TANAKA YUICHI, HEADWATERS HEAVY OIL LLC and SHANGHAI YINGBAO ENERGY CHEMICAL TECH CO LTD.

Patent filings in countries

World map showing DEAN ROBERT Rs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United States 7

Patent filings per year

Chart showing DEAN ROBERT Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dean Robert R 14
#2 Mauleon Jean-Louis 9
#3 Pfeiffer Robert W 7
#4 Mauleon Jean L 5
#5 Newman Robert J 4
#6 Letzsch Warren S 1

Latest patents

Publication Filing date Title
US4426276A Combined fluid catalytic cracking and hydrocracking process
CA1162871A Combined fluid catalytic cracking and hydrocracking process
US4434049A Residual oil feed process for fluid catalyst cracking
US4427537A Method and means for preparing and dispersing atomed hydrocarbon with fluid catalyst particles in a reactor zone
US4415438A Method for catalytically converting residual oils
CA1156590A Method and apparatus for cracking residual oils
US4331533A Method and apparatus for cracking residual oils
US4332674A Method and apparatus for cracking residual oils
US4336160A Method and apparatus for cracking residual oils