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Patent applications and USPTO patent grants for Sorheim; Havard.The latest application filed is for "silicon nitride based crucible".
Patent | Date |
---|---|
Silicon Nitride Based Crucible App 20120275983 - Sorheim; Havard ;   et al. | 2012-11-01 |
Device For Holding Silicon Melt App 20120242016 - Freudenberg; Bernhard ;   et al. | 2012-09-27 |
Method For Preparing Of Ceramic Shaped Part, Apparatus And Use Thereof App 20120056359 - Sorheim; Havard ;   et al. | 2012-03-08 |
Mould parts of silicon nitride and method for producing such mould parts Grant 7,422,631 - Olsen , et al. September 9, 2 | 2008-09-09 |
Method for removing impurities from silicone-containing residues App 20040220421 - Rong, Harry Morten ;   et al. | 2004-11-04 |
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