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PLACER DOME INC

Overview
  • Total Patents
    24
About

PLACER DOME INC has a total of 24 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, South Africa and Canada. Its main competitors in its focus markets materials and metallurgy, environmental technology and chemical engineering are MINEXTECH LLC, YUNNAN TIN IND CO LTD TIN IND BRANCH and SINGH ASHOK ADRIAN.

Patent filings per year

Chart showing PLACER DOME INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 King James A 14
#2 Chevillon Victor 4
#3 Clendenning James B 4
#4 Jorgenson-Soelberg Scott 4
#5 Kowalczyk Peter Leon 4
#6 Furlong Clement E 4
#7 Kirshenbaum Noel W 4
#8 Dreisinger David Bruce 3
#9 Chalmers Frank 2
#10 Millions Robert 2

Latest patents

Publication Filing date Title
US6686202B2 Methods for detecting and extracting gold
ZA200003403B Autoclave using agitator and sparge tube to provide high oxygen transfer rate to metal-containing solutions.
CA2310111A1 Cyanide recovery by solvent extraction
CA2278043A1 Method for initiating heap bioleaching of sulfidic ores
CA2278044A1 Method for recovering gold from refractory carbonaceous ores
CA2277622A1 Autoclave having high oxygen transfer rate to metal-containing solutions
US6183706B1 Autoclave having an agitator with an aerating impeller for high oxygen transfer rate to metal-containing slurries and method of use
US6251163B1 Method for recovering gold from refractory carbonaceous ores
US6207443B1 Method for initiating heap bioleaching of sulfidic ores
US5698170A Hydrometallurgical process for copper-containing materials
CA2105409A1 Communication system for use in a mine