Marsden; John O.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Marsden; John O..The latest application filed is for "method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning".

Company Profile

0.31.36

Marsden; John O. - Paradise Valley AZ
Marsden; John O. - Phoenix AZ
Marsden; John O - Phoenix AZ

*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
Method And Apparatus For Electrowinning Copper Using An Atmospheric Leach With Ferrous/ferric Anode Reaction Electrowinning App 20130001093 - Marsden; John O. ; et al.	2013-01-03
Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning Grant 8,273,237 - Marsden , et al. September 25, 2	2012-09-25
System and method for producing copper powder by electrowinning in a flow-through electrowinning cell Grant 8,016,983 - Stevens , et al. September 13, 2	2011-09-13
Process for multiple stage direct electrowinning of copper Grant 8,012,318 - Marsden , et al. September 6, 2	2011-09-06
System And Method For Producing Copper Powder By Electrowinning In A Flow-through Electrowinning Cell App 20100224484 - Stevens; Antonioni C. ; et al.	2010-09-09
Process For Multiple Stage Direct Electrowinning Of Copper App 20100206741 - Marsden; John O. ; et al.	2010-08-19
Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solution extraction Grant 7,736,487 - Marsden , et al. June 15, 2	2010-06-15
Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction Grant 7,736,488 - Marsden , et al. June 15, 2	2010-06-15
System and method for producing metal powder by electrowinning Grant 7,736,476 - Gilbert , et al. June 15, 2	2010-06-15
System and method for producing copper power by electrowinning in a flow-through electrowinning cell Grant 7,736,486 - Stevens , et al. June 15, 2	2010-06-15
System and method for producing copper powder by electrowinning using the ferrous/ferric anode reaction Grant 7,736,475 - Sandoval , et al. June 15, 2	2010-06-15
Process for multiple stage direct electrowinning of copper Grant 7,722,756 - Marsden , et al. May 25, 2	2010-05-25
Method for recovering metal values from metal-containing materials using high temperature pressure leaching Grant 7,666,371 - Marsden , et al. February 23, 2	2010-02-23
Apparatus for producing metal powder by electrowinning Grant 7,591,934 - Marsden , et al. September 22, 2	2009-09-22
Method And Apparatus For Electrowinning Copper Using An Atmospheric Leach With Ferrous/ferric Anode Reaction Electrowinning App 20090183997 - Marsden; John O. ; et al.	2009-07-23
System And Method For Producing Copper Powder By Electrowinning Using The Ferrous/ferric Anode Reaction App 20090145749 - Sandoval; Scot P. ; et al.	2009-06-11
System And Method For Producing Metal Powder By Electrowinning App 20090120789 - Gilbert; Stanley R. ; et al.	2009-05-14
Process For Recovery Of Copper From Copper-bearing Material Using Pressure Leaching, Direct Electrowinning And Solvent/solution Extraction App 20090101518 - Marsden; John O. ; et al.	2009-04-23
Method for improving metals recovery using high temperature pressure leaching Grant 7,517,384 - Marsden , et al. April 14, 2	2009-04-14
Process For Multiple Stage Direct Electrowinning Of Copper App 20090071839 - Marsden; John O. ; et al.	2009-03-19
System and method for producing copper powder by electrowinning using the ferrous/ferric anode reaction Grant 7,494,580 - Sandoval , et al. February 24, 2	2009-02-24
Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction Grant 7,485,216 - Marsden , et al. February 3, 2	2009-02-03
Process for multiple stage direct electrowinning of copper Grant 7,476,308 - Marsden , et al. January 13, 2	2009-01-13
Method for recovering metal values from metal-containing materials using high temperature pressure leaching Grant 7,473,413 - Marsden , et al. January 6, 2	2009-01-06
Process for multiple stage direct electrowinning of copper Grant 7,462,272 - Marsden , et al. December 9, 2	2008-12-09
System and method for producing metal powder by electrowinning Grant 7,452,455 - Sandoval , et al. November 18, 2	2008-11-18
Apparatus For Producing Metal Powder By Electrowinning App 20080257712 - Marsden; John O. ; et al.	2008-10-23
System And Method For Producing Copper Power By Electrowinning In A Flow-through Electrowinning Cell App 20080217185 - Stevens; Antonioni C. ; et al.	2008-09-11
Method For Recovery Of Metals From Metal-containing Materials Using Medium Temperature Pressure Leaching App 20080216606 - Marsden; John O. ; et al.	2008-09-11
Method For Recovering Metal Values From Metal-containing Materials Using High Temperature Pressure Leaching App 20080156656 - Marsden; John O. ; et al.	2008-07-03
Apparatus for producing metal powder by electrowinning Grant 7,393,438 - Marsden , et al. July 1, 2	2008-07-01
System and method for producing copper powder by electrowinning in a flow-through electrowinning cell Grant 7,378,010 - Stevens , et al. May 27, 2	2008-05-27
Method for recovery of metals from metal-containing materials using medium temperature pressure leaching Grant 7,341,700 - Marsden , et al. March 11, 2	2008-03-11
Process For Recovery Of Copper From Copper-bearing Material Using Pressure Leaching, Direct Electrowinning And Solution Extraction App 20080023342 - Marsden; John O. ; et al.	2008-01-31
Method For Improving Metals Recovery Using High Temperature Pressure Leaching App 20070039420 - Marsden; John O. ; et al.	2007-02-22
Method for improving metals recovery using high temperature pressure leaching Grant 7,125,436 - Marsden , et al. October 24, 2	2006-10-24
Method For Recovering Copper From Copper-containing Materials Using Direct Electrowinning App 20060196313 - Marsden; John O. ; et al.	2006-09-07
Method For Processing Elemental Sulfur-bearing Materials Using High Temperature Pressure Leaching App 20060191377 - Marsden; John O. ; et al.	2006-08-31
Process For Recovery Of Copper From Copper-bearing Material Using Pressure Leaching, Direct Electrowinning And Solvent/solution Extraction App 20060144717 - Marsden; John O. ; et al.	2006-07-06
Process For Multiple Stage Direct Electrowinning Of Copper App 20060144716 - Marsden; John O. ; et al.	2006-07-06
Method for processing elemental sulfur-bearing materials using high temperature pressure leaching Grant 7,041,152 - Marsden , et al. May 9, 2	2006-05-09
System And Method For Producing Metal Powder By Electrowinning App 20060016697 - Gilbert; Stanley R. ; et al.	2006-01-26
System And Method For Producing Copper Powder By Electrowinning In A Flow-through Electrowinning Cell App 20060016696 - Stevens; Antonioni C. ; et al.	2006-01-26
Apparatus For Producing Metal Powder By Electrowinning App 20060016684 - Marsden; John O. ; et al.	2006-01-26
System And Method For Producing Copper Powder By Electrowinning Using The Ferrous/ferric Anode Reaction App 20050269209 - Sandoval, Scot P. ; et al.	2005-12-08
System for direct electrowinning of copper Grant 6,972,107 - Marsden , et al. December 6, 2	2005-12-06
Method for Improving Metals Recovery Using High Temperature Pressure Leaching App 20050155458 - MARSDEN, John O. ; et al.	2005-07-21
Method for Processing Elemental Sulfur-Bearing Materials Using High Temperature Pressure Leaching App 20050155459 - MARSDEN, John O. ; et al.	2005-07-21
Process for recovery of copper from copper-bearing material using medium temperature pressure leaching, direct electrowinning and solvent/solution extraction App 20050126923 - Marsden, John O. ; et al.	2005-06-16
Process for multiple stage direct electrowinning of copper App 20050109163 - Marsden, John O. ; et al.	2005-05-26
Method for improving metals recovery using high temperature pressure leaching Grant 6,893,482 - Marsden , et al. May 17, 2	2005-05-17
Method for processing elemental sulfur-bearing materials using high temperature pressure leaching Grant 6,890,371 - Marsden , et al. May 10, 2	2005-05-10
Method for recovering metal values from metal-containing materials using high temperature pressure leaching App 20040146439 - Marsden, John O. ; et al.	2004-07-29
Method for recovery of metals from metal-containing materials using medium temperature pressure leaching App 20040146438 - Marsden, John O. ; et al.	2004-07-29
System for direct electrowinning of copper App 20040130076 - Marsden, John O. ; et al.	2004-07-08
Method for improving metals recovery using high temperature pressure leaching App 20040045406 - Marsden, John O. ; et al.	2004-03-11
Method for recovering metal values from metal-containing materials using high temperature pressure leaching Grant 6,680,034 - Marsden , et al. January 20, 2	2004-01-20
Method for recovery of metals from metal-containing materials using medium temperature pressure leaching Grant 6,676,909 - Marsden , et al. January 13, 2	2004-01-13
Process for direct electrowinning of copper Grant 6,663,689 - Marsden , et al. December 16, 2	2003-12-16
Method for improving metals recovery using high temperature pressure leaching Grant 6,626,979 - Marsden , et al. September 30, 2	2003-09-30
Method for processing elemental sulfur-bearing materials using high temperature pressure leaching App 20030086849 - Marsden, John O. ; et al.	2003-05-08
Method for improving metals recovery using high temperature pressure leaching App 20030019330 - Marsden, John O. ; et al.	2003-01-30
Process for direct electrowinning of copper App 20030019331 - Marsden, John O. ; et al.	2003-01-30
Method for processing elemental sulfur-bearing materials using high temperature pressure leaching Grant 6,497,745 - Marsden , et al. December 24, 2	2002-12-24
Method for recovery of metals from metal-containing materials using medium temperature pressure leaching App 20020044899 - Marsden, John O. ; et al.	2002-04-18
Method for processing elemental sulfur-bearing materials using high temperature pressure leaching App 20020033076 - Marsden, John O. ; et al.	2002-03-21
Method for recovering metal values from metal-containing materials using high temperature pressure leaching App 20020034465 - Marsden, John O. ; et al.	2002-03-21

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