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ROBERT CLAY METCALFE

Overview
  • Total Patents
    15
About

ROBERT CLAY METCALFE has a total of 15 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets thermal processes, basic materials chemistry and surface technology and coating are NICOLA LENGERSDORFF, INST LITYA and ROE JAMES PETER.

Patent filings in countries

World map showing ROBERT CLAY METCALFEs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 France 5
#3 Germany 3
#4 Australia 1

Patent filings per year

Chart showing ROBERT CLAY METCALFEs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Furnaces
#2 Producer gas production
#3 Metal enamelling

Top inventors

# Name Total Patents
#1 Metcalfe Robert Clay 5
#2 Philip D'Hug Dressler Engineer Zanesville Muskingun Chio U S A 1

Latest patents

Publication Filing date Title
GB165005A Improved means for introducing gaseous fuel into the combustion chambers of continuous tunnel kilns
GB158499A Improvements in or relating to continuous kilns of the tunnel type
AU1721720B Improvements in continuous tunnel kilns
GB167070A Improvements in continuous tunnel kilns
GB163900A Improvements in gas producer conduits
GB155164A Improvements in or relating to tunnel kilns or furnaces
GB151217A Improvements in combustion chambers for tunnel kilns