Robertson; Joanna M

Patent Applications and Registrations

Patent applications and USPTO patent grants for Robertson; Joanna M.The latest application filed is for "methods and systems for leaching a metal-bearing ore".

Company Profile

7.29.34

Robertson; Joanna M - Thatcher AZ
Robertson; Joanna M. - Thatcher AZ
- Thatcher AZ US

*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
Methods and systems for leaching a metal-bearing ore using a bio-augmentation process Grant 10,767,242 - Robertson , et al. Sep	2020-09-08
Systems and methods for improved metal recovery using ammonia leaching Grant 10,662,502 - Robertson , et al.	2020-05-26
Methods And Systems For Leaching A Metal-bearing Ore App 20190284657 - Robertson; Joanna M ; et al.	2019-09-19
Methods and systems for leaching a metal-bearing ore Grant 10,370,738 - Robertson , et al.	2019-08-06
Systems And Methods For Metal Recovery App 20190177864 - Robertson; Joanna M. ; et al.	2019-06-13
Systems and methods for copper recovery via roasting and leaching Grant 10,246,789 - Robertson , et al.	2019-04-02
Systems And Methods For Improved Metal Recovery Using Ammonia Leaching App 20180298505 - Robertson; Joanna M ; et al.	2018-10-18
Systems and methods for improved metal recovery using ammonia leaching Grant 10,006,133 - Robertson , et al. June 26, 2	2018-06-26
Systems And Methods For Metal Recovery App 20160230296 - Robertson; Joanna M. ; et al.	2016-08-11
Systems and methods for metal recovery Grant 9,340,849 - Robertson , et al. May 17, 2	2016-05-17
Systems And Methods For Improved Metal Recovery Using Ammonia Leaching App 20160068977 - Robertson; Joanna M. ; et al.	2016-03-10
Systems and methods for improved metal recovery using ammonia leaching Grant 9,187,803 - Robertson , et al. November 17, 2	2015-11-17
Systems and methods for improved metal recovery using ammonia leaching Grant 9,175,366 - Robertson , et al. November 3, 2	2015-11-03
Methods And Systems For Leaching A Metal-bearing Ore App 20150225809 - Robertson; Joanna M ; et al.	2015-08-13
Systems and methods for metal recovery Grant 8,920,773 - Robertson , et al. December 30, 2	2014-12-30
Systems and methods for metal recovery Grant 08920773 -	2014-12-30
Systems And Methods For Improved Metal Recovery Using Ammonia Leaching App 20140260807 - Robertson; Joanna M. ; et al.	2014-09-18
Systems And Methods For Improved Metal Recovery Using Ammonia Leaching App 20140260806 - Robertson; Joanna M. ; et al.	2014-09-18
Systems And Methods For Metal Recovery App 20130153436 - Robertson; Joanna M. ; et al.	2013-06-20
Systems And Methods For Metal Recovery App 20130156661 - Robertson; Joanna M. ; et al.	2013-06-20
Process for multiple stage direct electrowinning of copper Grant 8,012,318 - Marsden , et al. September 6, 2	2011-09-06
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 solvent/solution extraction Grant 7,736,488 - Marsden , 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
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
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
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
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
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 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 recovery of metals from metal-containing materials using medium temperature pressure leaching App 20040146438 - Marsden, John O. ; et al.	2004-07-29
Method for recovering metal values from metal-containing materials using high temperature pressure leaching App 20040146439 - 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
Process for direct electrowinning of copper App 20030019331 - Marsden, John O. ; et al.	2003-01-30
Method for improving metals recovery using high temperature pressure leaching App 20030019330 - 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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