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DAVID J EVANS RES LTD

Overview
  • Total Patents
    15
About

DAVID J EVANS RES LTD has a total of 15 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United Kingdom, Belgium and Germany. Its main competitors in its focus markets surface technology and coating are STREET ERNEST AUGUSTE GEORGE, LLORENS CLARIANA ANTONIO and Zhejiang hesheng silicon industry co ltd.

Patent filings in countries

World map showing DAVID J EVANS RES LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 Belgium 2
#3 Germany 2
#4 France 2
#5 Canada 1

Patent filings per year

Chart showing DAVID J EVANS RES LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Surface technology and coating

Focus technologies

# Technology
#1 Electrolytic processes

Top inventors

# Name Total Patents
#1 Evans David Johnson 10
#2 Evans David J 1

Latest patents

Publication Filing date Title
GB1073665A Improvements in electrolytic apparatus
GB1080918A Improvements in electrolytic apparatus
GB1080919A Improvements in electrolytic apparatus
GB1045816A Improvements in or relating to electrodes for electrolytic cells
GB1080756A Improvements in or relating to electrolytic cells
GB1026115A Improvements in electrolytic apparatus
DE1265722B Electrolyzer for generating chlorine or hypochlorite
GB932945A Improvements in electrolytic apparatus
GB867443A Improvements in electrolytic apparatus
CA757608A Electrodes for electrolytic cells