Inventor
JONES DAVID L
US42 patents
⚠️ This page may combine multiple inventors who share the name “JONES DAVID L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COMINCO ENG SERVICES
18 patentsUS6171564B1Jan 9, 2001
Process for extraction of metal from an ore or concentrate containing nickel and/or cobalt
COMINCO ENG SERVICES56 citations96
US5902474AMay 11, 1999
Chloride assisted hydrometallurgical extraction of metal
COMINCO ENG SERVICES79 citations96
US5869012AFeb 9, 1999
Chloride assisted hydrometallurgical extraction of metal
COMINCO ENG SERVICES59 citations96
US5855858AJan 5, 1999
Process for the recovery of nickel and/or cobalt from an ore or concentrate
COMINCO ENG SERVICES48 citations96
US5650057AJul 22, 1997
Chloride assisted hydrometallurgical extraction of metal
COMINCO ENG SERVICES67 citations96
US5645708AJul 8, 1997
Chloride assisted hydrometallurgical copper extraction
COMINCO ENG SERVICES47 citations96
US5431788AJul 11, 1995
Chloride assisted hydrometallurgical copper extraction
COMINCO ENG SERVICES83 citations96
US5316567AMay 31, 1994
Hydrometallurgical copper extraction process
COMINCO ENG SERVICES72 citations96
US7169371B2Jan 30, 2007
Process for the treatment of molybdenum concentrate
COMINCO ENG SERVICES29 citations92
US6455019B2Sep 24, 2002
Process for the extraction of copper from a sulphide copper ore or concentrate
COMINCO ENG SERVICES24 citations92
US6383460B2May 7, 2002
Process for the recovery of nickel and/or cobalt from a concentrate
COMINCO ENG SERVICES20 citations92
USRE37251EJul 3, 2001
Chloride assisted hydrometallurgical extraction of metal
COMINCO ENG SERVICES31 citations92
US5874055AFeb 23, 1999
Chloride assisted hydrometallurgical extraction of metal
COMINCO ENG SERVICES42 citations92
US5223024AJun 29, 1993
Hydrometallurgical copper extraction process
COMINCO ENG SERVICES45 citations92
US6755891B2Jun 29, 2004
Process for the treatment or removal of impurities in a hydrometallurgical extraction process
COMINCO ENG SERVICES10 citations74
US6054105AApr 25, 2000
Process for the solvent extraction of nickel and cobalt values in the presence of magnesium ions from a solution
COMINCO ENG SERVICES11 citations74
US6471849B1Oct 29, 2002
Process for the recovery of zinc from a zinc sulphide ore or concentrate
COMINCO ENG SERVICES1 citations52
US7438874B2Oct 21, 2008
Pressure oxidation leaching in the presence of an acidic solution of halide and sulfate ions from copper and base metal containing ore/concentrate
COMINCO ENG SERVICES1 citations44
FOSECO INT
4 patentsUS5520823AMay 28, 1996
Filters for light metals
FOSECO INT29 citations88
US7138084B2Nov 21, 2006
Refractory articles
FOSECO INT12 citations83
US4913403AApr 3, 1990
Runner system and article for the casting of metals
FOSECO INT4 citations61
US4756355AJul 12, 1988
Refractory hollowware and method of casting using hollowware to remove non-metallic inclusions from molten metal
FOSECO INT2 citations61
JONES DAVID L
4 patentsMOBILITY PLUS INC
3 patentsUS5482424AJan 9, 1996
Car rack for wheelchairs and the like
MOBILITY PLUS INC63 citations93
US5746465AMay 5, 1998
Method and apparatus for moving a physically disabled person to and from a driving position within a vehicle
MOBILITY PLUS INC40 citations89
US5592703AJan 14, 1997
Powered toilet seat lift
MOBILITY PLUS INC42 citations89