TECK COMINCO METALS LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5393400 Component sensor for molten metalsNov 08, 91Feb 28, 95[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6945266 Manifold for fuel cell systemExpiredOct 18, 02Sep 20, 05[F17D]
6942105 In-line filtration for a particle-based electrochemical power systemExpiredMay 17, 02Sep 13, 05[B01D]
2002/0150,822 Lightweight composite grid for battery platesAbandonedFeb 02, 01Oct 17, 02[B23P, H01M]
5709731 Slurry pipeline leaching methodExpiredJul 08, 96Jan 20, 98[C22B]
5449563 Galvanic protection of rebar by zinc wireExpiredMay 20, 94Sep 12, 95[B32B]
5225054 Method for the recovery of cyanide from solutionsExpiredMar 02, 92Jul 06, 93[C25B]
5110432 Method for separating dissolved species by electrodialysisExpiredOct 25, 90May 05, 92[B01D]
5084180 Method for treating zinc-containing sulfate solutionExpiredOct 25, 90Jan 28, 92[B01D]
5064538 Membrane process for acid recoveryExpiredOct 25, 90Nov 12, 91[B01D]
5002748 Method for the preparation of copper arsenateExpiredSep 02, 88Mar 26, 91[A01N, C01G]
4998579 Electrode casting systemExpiredMay 11, 89Mar 12, 91[B22D]
4969502 Method and apparatus for the casting of metalsExpiredMay 11, 89Nov 13, 90[B22D]
4964471 Sprinkler system and sprinkler assembly thereforExpiredSep 01, 89Oct 23, 90[A62C]
4961909 Process for the manufacture of copper arsenateExpiredNov 09, 89Oct 09, 90[C25B, C01G]
4959203 Preparation of copper arsenateExpiredAug 28, 89Sep 25, 90[C01G]
RE33313 Method for making low alpha count leadExpiredSep 12, 89Aug 28, 90[C22B, B03B]
4915802 Method for making low alpha count leadExpiredJun 07, 89Apr 10, 90[C25C]
4915919 Recovery of germanium from aqueous solutions by solvent extractionExpiredAug 29, 88Apr 10, 90[C01G]
4887492 Method for making low alpha count leadExpiredAug 29, 88Dec 19, 89[C22C]
4743428 Method for agitating metals and producing alloysExpiredAug 06, 86May 10, 88[C22C]

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