Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8974597 | Gypsum-containing product | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2015-03-10 |
| 8500904 | Gypsum-containing product | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2013-08-06 |
| 8303709 | Gypsum-containing product | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2012-11-06 |
| 8142914 | Gypsum-containing product and gypsum board | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2012-03-27 |
| 7964034 | Gypsum-containing product and method for producing same | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2011-06-21 |
| 7758980 | Gypsum-containing board and tile, and method for producing same | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2010-07-20 |
| 7425236 | Gypsum-containing board and tile, and method for producing same | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2008-09-16 |
| 7364676 | Slurry spreader for cementitious board production | Steven W. Sucech, Mark H. Englert, William A. Frank, Srinivas Veeramasuneni | 2008-04-29 |
| 7244304 | Gypsum-containing board and tile, and method for producing same | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2007-07-17 |
| 6800131 | Gypsum-containing board and tile, and method for producing gypsum-containing board and tile | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2004-10-05 |
| 6632550 | Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Frederick M. Boehnert | 2003-10-14 |
| 6342284 | Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it | Qiang Yu, Steven W. Sucech, Brent E. Groza, Frederick T. Jones, Paul J. Henkels | 2002-01-29 |