Patent | Date |
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Traveling undercut solution mining systems and methods App 20170167239 - HUGHES; Ronald O. ;   et al. | 2017-06-15 |
Use of ventilation air methane exhausted during mining of non-combustible ore in a surface appliance Grant 9,677,398 - Hughes , et al. June 13, 2 | 2017-06-13 |
Traveling undercut solution mining systems and methods Grant 9,581,006 - Hughes , et al. February 28, 2 | 2017-02-28 |
Production of crystalline sodium bicarbonate using CO.sub.2 recovered from another alkali production process Grant 9,382,125 - Kisielewski , et al. July 5, 2 | 2016-07-05 |
Traveling undercut solution mining systems and methods App 20160115774 - HUGHES; Ronald O. ;   et al. | 2016-04-28 |
Traveling undercut solution mining systems and methods Grant 9,234,416 - Hughes , et al. January 12, 2 | 2016-01-12 |
Production of crystalline sodium bicarbonate using CO2 recovered from another alkali production process App 20150175434 - KISIELEWSKI; James C. ;   et al. | 2015-06-25 |
Sodium bicarbonate product with excellent flowability and its method of manufacture Grant 9,051,188 - Hansen , et al. June 9, 2 | 2015-06-09 |
Demountable pin and collet assembly and method to securely fasten a ranging arm to a longwall shearer using such assembly Grant 8,979,211 - Marshall , et al. March 17, 2 | 2015-03-17 |
Traveling undercut solution mining systems and methods App 20140225415 - HUGHES; Ronald O. ;   et al. | 2014-08-14 |
Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives Grant 8,771,622 - Hughes , et al. July 8, 2 | 2014-07-08 |
Mining method for co-extraction of non-combustible ore and mine methane Grant 8,740,310 - Refsdal , et al. June 3, 2 | 2014-06-03 |
Sodium bicarbonate product with excellent flowability and its method of manufacture App 20140113135 - Hansen; David M. ;   et al. | 2014-04-24 |
Traveling undercut solution mining systems and methods Grant 8,678,513 - Hughes , et al. March 25, 2 | 2014-03-25 |
Demountable Pin and Collet Assembly and Method to Securely Fasten a Ranging Arm to a Longwall Shearer Using Such Assembly App 20130093236 - MARSHALL; Shawn ;   et al. | 2013-04-18 |
Method of producing sodium carbonate decahydrate Grant 8,372,162 - Hansen , et al. February 12, 2 | 2013-02-12 |
Method of decarbonation and its use in producing crystalline sodium sulfite or other alkali products Grant 8,366,793 - Kisielewski , et al. February 5, 2 | 2013-02-05 |
Removal of impurities in the production of crystalline sodium carbonate, bicarbonate, or sulfite Grant 8,337,571 - Phillip , et al. December 25, 2 | 2012-12-25 |
Use of ventilation air methane exhausted during mining of non-combustible ore in a surface appliance App 20120264068 - HUGHES; Ronald ;   et al. | 2012-10-18 |
Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives App 20110274599 - HUGHES; Ronald O. ;   et al. | 2011-11-10 |
Process for production of sodium bisulfite Grant 7,985,396 - Kisielewski , et al. July 26, 2 | 2011-07-26 |
Traveling undercut solution mining systems and methods App 20110127825 - Hughes; Ronald O. ;   et al. | 2011-06-02 |
Method of removing sulfur dioxide from a flue gas stream Grant 7,854,911 - Maziuk, Jr. December 21, 2 | 2010-12-21 |
Method of producing sodium carbonate decahydrate App 20100290976 - Hansen; David M. ;   et al. | 2010-11-18 |
Plenum Crusher Dust Injection App 20100279241 - Vandendoren; Alain ;   et al. | 2010-11-04 |
Method of decarbonation and its use in producing crystalline sodium sulfite or other alkali products App 20100239477 - Kisielewski; Jim ;   et al. | 2010-09-23 |
Removal of impurities in the production of crystalline sodium carbonate, bicarbonate, or sulfite App 20100226840 - PHILLIP; James D. ;   et al. | 2010-09-09 |
Magnetic separation process for trona Grant 7,770,735 - Phillip , et al. August 10, 2 | 2010-08-10 |
Plenum crusher dust injection Grant 7,771,690 - Vandendoren , et al. August 10, 2 | 2010-08-10 |
Process For Production Of Sodium Bisulfite App 20100008845 - Kisielewski; James ;   et al. | 2010-01-14 |
Mining method for co-extraction of non-combustible ore and mine methane App 20090315388 - REFSDAL; Larry ;   et al. | 2009-12-24 |
Magnetic Separation Process for Trona App 20080277321 - Phillip; James D. ;   et al. | 2008-11-13 |
Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale Grant 7,128,886 - Ramey , et al. October 31, 2 | 2006-10-31 |