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PERMANENTE CEMENT COMPANY

Overview
  • Total Patents
    27
About

PERMANENTE CEMENT COMPANY has a total of 27 patent applications. Its first patent ever was published in 1944. It filed its patents most often in France, United Kingdom and United States. Its main competitors in its focus markets materials and metallurgy, environmental technology and textiles and paper are INTERNAT TECHNOLOGY INCUBATION, YONG PENG and SUNGERIC INTERNATIONAL INC.

Patent filings in countries

World map showing PERMANENTE CEMENT COMPANYs patent filings in countries
# Country Total Patents
#1 France 8
#2 United Kingdom 7
#3 United States 7
#4 Canada 5

Patent filings per year

Chart showing PERMANENTE CEMENT COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Austin Leslie W 4
#2 Goss Worth C 3
#3 Garoutte John M 2
#4 Larkin Paul G 1
#5 Rhodes Daniel 1
#6 Zinszer William K 1
#7 William Sharp James 1
#8 Zagar Peter G 1
#9 Burns Robert H 1
#10 Grant Richard H 1

Latest patents

Publication Filing date Title
US3070970A Apparatus and method for cooling finely divided solid particles
US2849314A Process of treatment and products from waste sulfite liquors
US2846431A Water soluble thermo-setting resin and method for its manufacture
US2602707A Device for handling materials
US2687290A Treatment of recovered cement kiln dust
GB607909A Improvements in or relating to refractories and method of making the same
GB595820A Improvements in or relating to method of forming solid or shaped bodies from aggregate particles and the products resulting therefrom
GB595661A Improvements in or relating to forming or making particles or pieces of solid materials into shapes and the products resulting therefrom
US2433450A Cement compositions
US2410954A Silica modified cement
GB590693A Corrected magnesia products and method of making the same
GB602453A Synthetic forsterite materials
GB602454A Synthetic forsterite refractory shapes
GB579098A Refractories
CA467555A Bonding agents
CA452196A Forming non-plastic materials
CA470056A Refractory compositions
CA554282A Process of treatment and products from waste liquors
CA486931A Corrected magnesia products and method of making the same