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EAGLE PICHER LEAD COMPANY

Overview
  • Total Patents
    44
About

EAGLE PICHER LEAD COMPANY has a total of 44 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States, France and Canada. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and electrical machinery and energy are TITAN GMBH, KERR MC GEE CHEM CORP and KREBS PIGMENT AND COLOR CORP.

Patent filings in countries

World map showing EAGLE PICHER LEAD COMPANYs patent filings in countries
# Country Total Patents
#1 United States 39
#2 France 2
#3 Canada 1
#4 Germany 1
#5 United Kingdom 1

Patent filings per year

Chart showing EAGLE PICHER LEAD COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harner Harold R 6
#2 Hallows Raymond L 6
#3 Schaeffer John A 5
#4 Calbeck John H 5
#5 Clapson William J 3
#6 White Bernard S 3
#7 De Horvath Zoltan 3
#8 Leonard Vaughn 2
#9 Turbett Forrest L 2
#10 Paris William B 2

Latest patents

Publication Filing date Title
US2368922A Manufacture of zinc oxide
US2366255A Method of manufacturing lead silicate
US2323877A Wetting and dispersion of pigments
US2354475A Method of producing lead arsenate
US2374886A Method of treating lead oxide
US2315188A Method of treating basic lead sulphate
US2330050A Paint pigment composition
US2380096A Manufacture of lead oxide
US2323874A Composition of matter
US2217981A Process for refining lead
US2268913A Lead pigment
US2237745A Thermal insulating cement
US2237755A Manufacture of zinc sulphide pigment
US2130091A Manufacture of insulation material
US2109707A Process for refining lead
US2108748A Storage battery positive electrode and method of making the same
US2130105A Storage battery electrode and method of making the same
US2130104A Storage battery plate and method of making the same
US2130103A Storage battery plate and composition therefor
US2035315A Storage battery electrode