Learn more

COMINCO ENG SERVICES

Overview
  • Total Patents
    180
About

COMINCO ENG SERVICES has a total of 180 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets environmental technology, materials and metallurgy and chemical engineering are NOVA MINERALIS S A, BUDDEUS WILHELM and SKYE RESOURCES INC.

Patent filings per year

Chart showing COMINCO ENG SERVICESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jones David L 154
#2 Moore Rachel 10
#3 Stocker Susan Karen 9
#4 Jones D L 5
#5 Wyslouzil Harold E 5
#6 Meekel William A C 5
#7 David L Jones 4
#8 Jordison Neville P 3
#9 Hubred Gale L 3
#10 Dawson Peter H 3

Latest patents

Publication Filing date Title
CA2468855A1 Process for the treatment of molybdenum concentrate
CA2387633A1 Chloride assisted hydrometallurgical extraction of metals
US2003192404A1 Process for the treatment or removal of impurities in a hydrometallurgical extraction process
CA2364213A1 Process for the treatment of molybdenum concentrate
AU3878201A Process for the recovery of nickel, and/or cobalt from a concentrate
US6471849B1 Process for the recovery of zinc from a zinc sulphide ore or concentrate
AU6171399A Chloride assisted hydrometallurgical extraction of metal
USRE37251E Chloride assisted hydrometallurgical extraction of metal
AU3499799A Process for the recovery of nickel and/or cobalt from a concentrate
ZA9807219B Chloride assisted hydrometallurgical extraction of metal.
US5857516A Pressure reducing heat exchanger
US5855858A Process for the recovery of nickel and/or cobalt from an ore or concentrate
US5869012A Chloride assisted hydrometallurgical extraction of metal
US5874055A Chloride assisted hydrometallurgical extraction of metal
US5902474A Chloride assisted hydrometallurgical extraction of metal
US5650057A Chloride assisted hydrometallurgical extraction of metal
US5643459A Flotation method and apparatus
HUT77858A Chloride assisted hydromatallurgical copper extraction
CN1174576A Chloride assisted hydrometallurgical copper extraction
US5452791A Dual drive for belt conveyor