Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10173343 | Slurry distribution system with vibration isolation | Brad Todd, William J. Rago | 2019-01-08 |
| 8974597 | Gypsum-containing product | Qiang Yu, Steven W. Sucech, Brent E. Groza, Raymond J. Mlinac, Paul J. Henkels | 2015-03-10 |
| 8500904 | Gypsum-containing product | Qiang Yu, Steven W. Sucech, Brent E. Groza, Raymond J. Mlinac, Paul J. Henkels | 2013-08-06 |
| 8303709 | Gypsum-containing product | Qiang Yu, Steven W. Sucech, Brent E. Groza, Raymond J. Mlinac, Paul J. Henkels | 2012-11-06 |
| 8142914 | Gypsum-containing product and gypsum board | Qiang Yu, Steven W. Sucech, Brent E. Groza, Raymond J. Mlinac, Paul J. Henkels | 2012-03-27 |
| 7964034 | Gypsum-containing product and method for producing same | Qiang Yu, Steven W. Sucech, Brent E. Groza, Raymond J. Mlinac, Paul J. Henkels | 2011-06-21 |
| RE41592 | Method of producing gypsum/fiber board | Michael R. Lynn, Gregory J. Cormier | 2010-08-31 |
| 7776170 | Fire-resistant gypsum panel | Qiang Yu, Qingxia Liu | 2010-08-17 |
| 7758980 | Gypsum-containing board and tile, and method for producing same | Qiang Yu, Steven W. Sucech, Brent E. Groza, Raymond J. Mlinac, 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, Raymond J. Mlinac, Paul J. Henkels | 2008-09-16 |
| 7244304 | Gypsum-containing board and tile, and method for producing same | Qiang Yu, Steven W. Sucech, Brent E. Groza, Raymond J. Mlinac, 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, Raymond J. Mlinac, 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, Raymond J. Mlinac, Frederick M. Boehnert | 2003-10-14 |
| 6508895 | Method of producing gypsum/fiber board | Michael R. Lynn, Gregory J. Cormier | 2003-01-21 |
| 6481171 | Gypsum compositions and related methods | Qiang Yu, Srinivas Veeramasuneni | 2002-11-19 |
| 6475313 | Process for making gypsum board having improved through-penetration strength | Kurt N. Peterson, Gerry L. Heschel, Dick C. Engbrecht | 2002-11-05 |
| 6387172 | Gypsum compositions and related methods | Qiang Yu, Srinivas Veeramasuneni | 2002-05-14 |
| 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, Raymond J. Mlinac, Paul J. Henkels | 2002-01-29 |