Liu; Houyuan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Liu; Houyuan.The latest application filed is for "removal of ferric iron as hematite at atmospheric pressure".

Company Profile

0.19.19

Liu; Houyuan - Henderson NV
Liu; Houyuan - Shortland AU
Liu; Houyuan - New South Wales AU
Liu; Houyuan - Sparks NV

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Removal of ferric iron as hematite at atmospheric pressure Grant 9,920,397 - Aguilar , et al. March 20, 2	2018-03-20
Production of high grade nickel product Grant 9,481,919 - Liu , et al. November 1, 2	2016-11-01
Removal of Ferric Iron as Hematite at Atmospheric Pressure App 20150152519 - Aguilar; Renato Antonio Loaiza ; et al.	2015-06-04
Production of High Grade Nickel Product App 20150000466 - Liu; Houyuan ; et al.	2015-01-01
Nickel recovery from a high ferrous content laterite ore Grant 8,758,479 - Caceres Hernandez , et al. June 24, 2	2014-06-24
Saprolite neutralisation of heap leach process Grant 8,454,723 - Liu , et al. June 4, 2	2013-06-04
Atmospheric acid leach process for laterites Grant 8,366,801 - Chamberlain , et al. February 5, 2	2013-02-05
Process for atmospheric leaching of laterite ores using hypersaline leach solution Grant 8,268,039 - Liu , et al. September 18, 2	2012-09-18
Nickel Recovery from a High Ferrous Content Laterite Ore App 20110232421 - Hernandez; Omar Yesid Caceres ; et al.	2011-09-29
Selectively leaching cobalt from lateritic ores Grant 7,988,938 - Roche , et al. August 2, 2	2011-08-02
Process for Heap Leaching of Nickeliferous Oxidic Ores App 20110150729 - Liu; Houyuan	2011-06-23
Atmospheric Acid Leach Process For Laterites App 20110100163 - Chamberlain; Anthony Charles ; et al.	2011-05-05
Production of metallic nickel with low iron content Grant 7,935,171 - Ratchev , et al. May 3, 2	2011-05-03
Saprolite Neutralisation of Heap Leach Process App 20110083533 - Liu; Houyuan ; et al.	2011-04-14
Process For Atmospheric Leaching Of Laterite Ores Using Hypersaline Leach Solution App 20110056333 - Liu; Houyuan ; et al.	2011-03-10
Consecutive or simultaneous leaching of nickel and cobalt containing ores Grant 7,871,584 - Liu , et al. January 18, 2	2011-01-18
Selectively Leaching Cobalt From Lateritic Ores App 20100296988 - Roche; Eric Girvan ; et al.	2010-11-25
Limonite and Saprolite Heap Leach Process App 20100282024 - Moroney; Adam Sean ; et al.	2010-11-11
Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material Grant 7,758,669 - Miller , et al. July 20, 2	2010-07-20
Production of Metallic Nickel with Low Iron Content App 20100154593 - Ratchev; Ivan ; et al.	2010-06-24
Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process Grant 7,597,738 - Liu , et al. October 6, 2	2009-10-06
Production of ferronickel Grant 7,585,350 - Duarte , et al. September 8, 2	2009-09-08
Process for enhanced acid leaching of laterite ores Grant 7,559,972 - Liu , et al. July 14, 2	2009-07-14
Production of titania Grant 7,485,268 - Roche , et al. February 3, 2	2009-02-03
Process for Leaching Lateritic Ore at Atmospheric Pressure App 20080271571 - Liu; Houyuan ; et al.	2008-11-06
Atmospheric pressure leach process for lateritic nickel ore Grant 7,416,711 - Liu , et al. August 26, 2	2008-08-26
Process for Heap Leaching of Nickeliferous Oxidic Ores App 20080138263 - Liu; Houyuan	2008-06-12
Process for Enhanced Acid Leaching of Laterite Ores App 20080053276 - Liu; Houyuan ; et al.	2008-03-06
Consecutive or Simultaneous Leaching of Nickel and Cobalt Containing Ores App 20080050294 - Liu; Houyuan ; et al.	2008-02-28
Production of Ferro-Nickel or Nickel Matte by a combined Hydrometallurgical and Pyrometallurgical Process App 20080016986 - Liu; Houyuan ; et al.	2008-01-24
Production of Ferronickel App 20080011126 - Duarte; Alexey ; et al.	2008-01-17
Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material App 20070034056 - Miller; Geoffrey William ; et al.	2007-02-15
Production of titania App 20060153768 - Roche; Eric Girvan ; et al.	2006-07-13
Atmospheric pressure leach process for lateritic nickel ore App 20050226797 - Liu, Houyuan ; et al.	2005-10-13
Heap leaching of nickel containing ore Grant 6,312,500 - Duyvesteyn , et al. November 6, 2	2001-11-06

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