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JOHNSON MATTHEY CO LTD

Overview
  • Total Patents
    1,727
About

JOHNSON MATTHEY CO LTD has a total of 1,727 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets chemical engineering, materials and metallurgy and machines are KHALDOR TOPSEE AS, SOUTHWEST RES & DESIGN INST CHEMICAL IND and PRO CATALYSE.

Patent filings per year

Chart showing JOHNSON MATTHEY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Selman Gordon Leslie 49
#2 Darling Alan Sydney 26
#3 Selman Gordon L 25
#4 Enga Bernard E 25
#5 Enga Bernard Edvard 25
#6 Hydes Paul Cedric 24
#7 Selman G L 20
#8 Walter Derek Oscar 18
#9 Acres Gary James Keith 18
#10 Knapton Arthur George 17

Latest patents

Publication Filing date Title
JPS58213061A Sprayable enamel suspension
JPS57165041A Catalyst supporter of three-dimensional void and its manufacture
WO8103167A1 Mesoporous carbons
CA1201996A Cathodes having platinum/ruthenium electrocatalytic surfaces of high roughness
GB2074190A Electrode
GB2087403A Hydrogenation of polymers
GB2074889A Heat treatment of foodstuff
CH653219A5 Process for heat treatment of food.
CA1181350A Turbocharged i.c. engines
ZA8102056B Turbocharged i.c.engines
GB2094782A Production of alkyl methacrylates
AU6835181A Process for the recovery of platinum group metals from refractory ceramic substrates
FR2477430A1 OXIDATION CATALYST FOR CATALYSIS EXHAUST GAS PURIFICATION UNIT
GB2070958A Exhaust gas purification catalysts
GB2072624A Liquid sampling apparatus
GB2070023A Hydrogenation process
BR8106731A Improvements in and connecting to tubing joints
AU6770481A Improvements in and relating to the joining of tubes
RO82078B Aluminum thermorezistent based on platform metals
FR2474530A1 ALLOY FOR MANUFACTURING APPARATUSES WORKING AT HIGH TEMPERATURE AND APPARATUSES MADE THEREFROM