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JOSEPH THOMAS B

Overview
  • Total Patents
    13
About

JOSEPH THOMAS B has a total of 13 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy and chemical engineering are BLOCKED IRON CORP, METALLURG PROCESSES LIMITED E and FINE METALS EXPORT PTY LTD.

Patent filings in countries

World map showing JOSEPH THOMAS Bs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 3
#3 United Kingdom 1

Patent filings per year

Chart showing JOSEPH THOMAS Bs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy
#2 Chemical engineering

Top inventors

# Name Total Patents
#1 Joseph Thomas B 13

Latest patents

Publication Filing date Title
CA173452A Metal leaching process
US805017A Metal-leaching process.
US814452A Metal-leaching process.
CA90550A Metal leaching process
US780293A Metal-leaching process.
CA84928A Gold extracting process
US758367A Apparatus for extracting metals by chemical process.
GB190318736A An Improved Cement.
US732641A Metal-leaching process.
US728397A Gold-extracting process.
US732640A Cement.
US732639A Gold-extracting process.
US725257A Gold-extraction process.