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DUNHAM HENRY VAIL

Overview
  • Total Patents
    12
About

DUNHAM HENRY VAIL has a total of 12 patent applications. Its first patent ever was published in 1902. It filed its patents most often in Canada, United Kingdom and Spain. Its main competitors in its focus markets basic materials chemistry and chemical engineering are TIANJIN FENGRUNYUAN FINE CHEMICAL TECHNOLOGY CO LTD, FEDYUSHKIN BORIS F and EDMUNDO Y JOSE METZGER.

Patent filings in countries

World map showing DUNHAM HENRY VAILs patent filings in countries
# Country Total Patents
#1 Canada 4
#2 United Kingdom 4
#3 Spain 3
#4 Switzerland 1

Patent filings per year

Chart showing DUNHAM HENRY VAILs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Basic materials chemistry
#2 Chemical engineering

Focus technologies

# Technology
#1 Phosphatic fertilisers
#2 Mixing

Top inventors

# Name Total Patents
#1 Dunham Henry Vail 8
#2 Henry Vail Dunham 1

Latest patents

Publication Filing date Title
GB191119044A Improvements in the Treatment of Phosphorites or Phosphate Rock to Render the same suitable for Fertilising Purposes.
GB191119043A Improvements in the Treatment of Phosphorites or Phosphate Rock to render the same suitable for Fertilising Purposes.
GB191119045A Improvements in the Treatment of Phosphorites or Phosphate Rock to render the same suitable for Fertilising Purposes.
GB190219090A An Improved Insoluble Casein and Process of Producing same
CA200734A Solidified oil product
CA226744A Dry shortening material
CA211516A Non-alkaline casein-oil products
CA265088A Chewing gum