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CITIES SERVICE CO

Overview
  • Total Patents
    586
About

CITIES SERVICE CO has a total of 586 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets macromolecular chemistry and polymers, materials and metallurgy and basic materials chemistry are NAT LEAD CO, CABOT CORP and SHAYONANO SINGAPORE PTE LTD.

Patent filings in countries

World map showing CITIES SERVICE COs patent filings in countries

Patent filings per year

Chart showing CITIES SERVICE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roth S 29
#2 Satterwhite William A 19
#3 Leach Robert M 18
#4 Stuhler Harold A 17
#5 Newcombe Jack 16
#6 Driscoll Richard E 14
#7 Wolford Lionel T 13
#8 Olechowski J 12
#9 Roth Shirley H 12
#10 Newcombe J 11

Latest patents

Publication Filing date Title
US4703797A Sweep improvement in enhanced oil recovery
US4452234A Collapsible mobile solar energy power source
US4501445A Method of in-situ hydrogenation of carbonaceous material
EP0099660A1 Co-catalyst dispension method
US4434242A Polymerization catalyst
US4435518A Polymerization catalyst
US4435520A Catalyst composition
US4426317A Process for making olefin polymerization catalyst
US4435519A Novel catalyst composition
US4463988A Horizontal heated plane process
US4415431A Integrated oxygasification and hydropyrolysis process for producing liquid and gaseous hydrocarbons
US4452091A Soil gas probe
US4430457A Cling/stretch wrap compositions
US4412585A Electrothermal process for recovering hydrocarbons
US4415034A Electrode well completion
US4389388A Desulfurization of petroleum coke
US4421943A Collapsible mobile solar energy power source
US4422317A Apparatus and process for selectively expanding a tube
US4420866A Apparatus and process for selectively expanding to join one tube into another tube
US4418457A Apparatus and process for expanding to join a tube into a tube sheet opening