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SHARPE FREDERICK HERBERT

Overview
  • Total Patents
    12
About

SHARPE FREDERICK HERBERT has a total of 12 patent applications. Its first patent ever was published in 1911. It filed its patents most often in Spain, United States and Canada. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and chemical engineering are COLUMBIAN CARBON CO., VNII TEKHN and LAJOS CSONKA.

Patent filings in countries

World map showing SHARPE FREDERICK HERBERTs patent filings in countries
# Country Total Patents
#1 Spain 3
#2 United States 3
#3 Canada 2
#4 United Kingdom 2
#5 Switzerland 1
#6 Netherlands 1

Patent filings per year

Chart showing SHARPE FREDERICK HERBERTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sharpe Frederick Herbert 7
#2 Frederick Herbert Sharpe 1

Latest patents

Publication Filing date Title
US1214229A Apparatus for carbonating lead oxid.
CA169730A Method of carbonating lead oxide
US1196595A Process of carbonating lead oxid.
GB191417579A Improved Method of and Apparatus for Carbonating Lead Oxide.
NL349C Improvement of a process for preparing white lead
CA148109A White lead manufacture
US1088460A Process for the manufacture of white lead.
GB191121292A Improvements in the Method of and in Apparatus for the Manufacture of White Lead.