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BLACKMORE HENRY SPENCER

Overview
  • Total Patents
    81
About

BLACKMORE HENRY SPENCER has a total of 81 patent applications. Its first patent ever was published in 1894. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets surface technology and coating, materials and metallurgy and basic materials chemistry are WEIL WALTER M, NORWEGIAN SILICON REFINERY AS and CHLORMETALS INC.

Patent filings in countries

World map showing BLACKMORE HENRY SPENCERs patent filings in countries
# Country Total Patents
#1 United States 54
#2 Canada 14
#3 United Kingdom 10
#4 Austria 2
#5 Switzerland 1

Patent filings per year

Chart showing BLACKMORE HENRY SPENCERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Blackmore Henry Spencer 80
#2 Byrnes Eugene Alexander 2
#3 Henry Spencer Blackmore 1
#4 Eugene Alexander Byrnes 1

Latest patents

Publication Filing date Title
US1276481A Finishing, cleaning, or polishing composition and process of making same.
US1184164A Compound or composition for removing paint, varnish, or other substances.
CA120807A Process of dosassociating fluid salts
US918950A Process of reducing metal.
US922079A Cell for electrolytic or other purposes.
US918269A Process for producing metals.
CA109502A Ketone
US893565A Electrode.
CA108482A Method of making sulphur trioxide
US920893A Art of extracting aluminum and other metals.
US889171A Formic-aldehyde preparation and process of making same.
US939183A Process of generating electricity.
US917707A Process of making carbid or carbid-containing electrodes.
CA106590A Manufacture of hydro-carbon, etc.
US917706A Formic-aldehyde-containing composition and process of making the same.
CA105939A Method of reducing metals
US889098A Process of winning aluminium or other metals from their compounds.
CA105940A Method of reducing metals
CA104554A Ketone
US884124A Process for the electrolysis of fluid salts or compounds.