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METALLURGICAL PROCESSES LTD

Overview
  • Total Patents
    243
About

METALLURGICAL PROCESSES LTD has a total of 243 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States, France and Canada. Its main competitors in its focus markets materials and metallurgy, environmental technology and machines are BHP BILLITON SSM TECH PTY LTD, COMINCO ENG SERVICES and NOVA MINERALIS S A.

Patent filings per year

Chart showing METALLURGICAL PROCESSES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gammon M 10
#2 Lumsden John 9
#3 Derham Leslie Jack 9
#4 Gammon Michael W 9
#5 Davey Thomas Ronald Albert 9
#6 Gammon Michael William 8
#7 Albert Davey Thomas Ronald 7
#8 Woods Stephen Esslemont 6
#9 Monk Hayden 6
#10 Hopkin William 5

Latest patents

Publication Filing date Title
JPS61110730A Apparatuas and method for dispersing liquid in gas
US4478794A Roasting of mixed sulphide ores or concentrates
JPS59164637A Method of baking sulfide-containing material
DE3305726A1 Method of roasting mixed sulphide ores or concentrates
CA1176062A Recovery of copper from arsenical drosses
US4340423A Charging of zinc-smelting blast furnaces
ZA7905623B Condensation of metal vapour
IE791073L Smelting zinc and copper.
IE791243L Roasting lead/zinc sulphide.
CA1119815A Pyrometallurgical smelting of lead and copper
ZA7806512B Improvements in or relating to the blast furnace smelting of zinc
YU46574A Process for producing the oxide charge for blast furnace smelting
IE38603L Preparation of feed material for a blast furnace
NL166724B Process for preparing zinc in a shaft oven.
IL34874D0 The preparation of feed material for a blast furnace
US3462264A Sulphur infusion of molten metal
IE31209L Zinc blast furnace
IE31038L Blast-furnace operator
US3405926A Apparatus for dezincing lead
IE28867L Recovery of copper, lead and zinc