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HOOD JOHN JAMES

Overview
  • Total Patents
    13
About

HOOD JOHN JAMES has a total of 13 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom, Canada and Germany. Its main competitors in its focus markets materials and metallurgy are INT MINERALS & CHEM LUXEMBOURG, VER EDELSTAHL AG and INST BIOKHIM AN BSSR.

Patent filings in countries

World map showing HOOD JOHN JAMESs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 Canada 3
#3 Germany 1
#4 Spain 1
#5 France 1
#6 Netherlands 1
#7 United States 1

Patent filings per year

Chart showing HOOD JOHN JAMESs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy

Focus technologies

# Technology
#1 Non-metallic elements
#2 Alloys

Top inventors

# Name Total Patents
#1 Hood John James 12
#2 Salamon Alfred Gordon 4
#3 Clark Percy George 1
#4 Clark John 1

Latest patents

Publication Filing date Title
CA122555A Refining of mineral and vegetable oils
GB190816617A Improvements in the Treatment of Mineral Oils.
US629905A Process of extracting gold or silver.
GB189816399A Improvements in Gold and Silver Extraction.
GB189511527A An Improved Means for Treating Sewage and the like.
GB189414155A Improvements in Extracting Metals.
GB189321239A Improvements in the Preparation of Cyanogen Compounds.
CA204493A Purification of sulphur
CA212596A Sugar purification