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B F DRAKENFELD & CO INC

Overview
  • Total Patents
    14
About

B F DRAKENFELD & CO INC has a total of 14 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machines and basic materials chemistry are ZHU HAIYU, LOV and VELORUDZDZKIYI TEKNNOLOGISNEDZ.

Patent filings in countries

World map showing B F DRAKENFELD & CO INCs patent filings in countries
# Country Total Patents
#1 United States 12
#2 United Kingdom 2

Patent filings per year

Chart showing B F DRAKENFELD & CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ray Andrews 6
#2 Duval D Adrian Alexander L 3
#3 Hawthorne Remington Victor 3
#4 Shively Robert R 2
#5 Ray Edwin H 1
#6 King Robert J 1
#7 Carnahan Thomas D 1

Latest patents

Publication Filing date Title
US2847317A Vanadium-bearing ceramic pigment
GB722801A Improvements in or relating to a method of applying ceramic colour, and compositionstherefor
US2682480A Composition for and method of applying ceramic color
GB648209A Improvements in or relating to the preparation and method of application of ceramic color vehicle compositions
US2482533A Flux
US2312788A Glass enamels
US2267255A Coloring material
US2225659A Ceramic color and process of preparing the same
US2241520A Vitreous enamel
US2079339A Opaque vitreous enamel composition
US1575514A Apparatus for making glass and process therefor
US1443813A Enamel and method of making the same
US1434486A Process of recovering metals
US1434485A Process of recovering metals