loadpatents
Patent applications and USPTO patent grants for Bartmann; Ulrich.The latest application filed is for "method for the production of valve metal powders".
Patent | Date |
---|---|
Method For The Production Of Valve Metal Powders App 20180308641 - Haas; Helmut ;   et al. | 2018-10-25 |
Method for the production of valve metal powders Grant 10,032,564 - Haas , et al. July 24, 2 | 2018-07-24 |
Method for production of niobium and tantalum powder Grant 8,801,829 - Haas , et al. August 12, 2 | 2014-08-12 |
Method For Production Of Niobium And Tantalum Powder App 20110067527 - HAAS; Helmut ;   et al. | 2011-03-24 |
Tantalum powder for the production of solid electrolyte capacitors Grant 7,898,794 - Haas , et al. March 1, 2 | 2011-03-01 |
Method for the production of niobium and tantalum powder Grant 7,824,463 - Haas , et al. November 2, 2 | 2010-11-02 |
Method For The Production Of Valve Metal Powders App 20090214378 - Haas; Helmut ;   et al. | 2009-08-27 |
Tantalum Powder for the Production of Solid Electrolyte Capacitors App 20080094779 - Haas; Helmut ;   et al. | 2008-04-24 |
Deoxidation of Valve Metal Powders App 20080011124 - Loffelholz; Josua ;   et al. | 2008-01-17 |
Method for the Production of Niobium and Tantalum Powder App 20070227305 - Haas; Helmut ;   et al. | 2007-10-04 |
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