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JOHN PRESTON AND COMPANY CHEMI

Overview
  • Total Patents
    13
About

JOHN PRESTON AND COMPANY CHEMI has a total of 13 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United Kingdom, France and Austria. Its main competitors in its focus markets surface technology and coating are NIPPON STAINLESS KOZAI KK, TECHNOLOGY APPLIC GROUP INC and SER SA.

Patent filings in countries

World map showing JOHN PRESTON AND COMPANY CHEMIs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 France 3
#3 Austria 2
#4 Canada 2
#5 Switzerland 1

Patent filings per year

Chart showing JOHN PRESTON AND COMPANY CHEMIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Surface technology and coating

Focus technologies

# Technology
#1 Electrolytic coating production

Top inventors

# Name Total Patents
#1 Law Malcolm John 5
#2 Law Malcolm J 2
#3 Malcolm John Law 1

Latest patents

Publication Filing date Title
GB1089629A Chromium plating
GB1059780A Nickel plating process
GB1026987A Nickel plating process
GB1059915A Improvements relating to bright nickel electroplating
CA807635A Nickel plating process
CA827125A Electrolytic plating