Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650305 | Hard water foaming agents and methods for gypsum board production | Xuming Wang | 2017-05-16 |
| 8974597 | Gypsum-containing product | Qiang Yu, Brent E. Groza, Raymond J. Mlinac, Frederick T. Jones, Paul J. Henkels | 2015-03-10 |
| 8500904 | Gypsum-containing product | Qiang Yu, Brent E. Groza, Raymond J. Mlinac, Frederick T. Jones, Paul J. Henkels | 2013-08-06 |
| 8303709 | Gypsum-containing product | Qiang Yu, Brent E. Groza, Raymond J. Mlinac, Frederick T. Jones, Paul J. Henkels | 2012-11-06 |
| 8142914 | Gypsum-containing product and gypsum board | Qiang Yu, Brent E. Groza, Raymond J. Mlinac, Frederick T. Jones, Paul J. Henkels | 2012-03-27 |
| 7964034 | Gypsum-containing product and method for producing same | Qiang Yu, Brent E. Groza, Raymond J. Mlinac, Frederick T. Jones, Paul J. Henkels | 2011-06-21 |
| 7851057 | Acoustical panel comprising interlocking matrix of set gypsum and method for making same | Mark H. Englert, Richard B. Stevens, Therese A. Fults, Michael J. Porter, Bruce L. Petersen +1 more | 2010-12-14 |
| 7758980 | Gypsum-containing board and tile, and method for producing same | Qiang Yu, Brent E. Groza, Raymond J. Mlinac, Frederick T. Jones, Paul J. Henkels | 2010-07-20 |
| 7425236 | Gypsum-containing board and tile, and method for producing same | Qiang Yu, Brent E. Groza, Raymond J. Mlinac, Frederick T. Jones, Paul J. Henkels | 2008-09-16 |
| 7364015 | Acoustical panel comprising interlocking matrix of set gypsum and method for making same | Mark H. Englert, Richard B. Stevens, Therese A. Fults, Michael J. Porter, Bruce L. Petersen +1 more | 2008-04-29 |
| 7364676 | Slurry spreader for cementitious board production | Mark H. Englert, William A. Frank, Raymond J. Mlinac, Srinivas Veeramasuneni | 2008-04-29 |
| 7244304 | Gypsum-containing board and tile, and method for producing same | Qiang Yu, Brent E. Groza, Raymond J. Mlinac, 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, Brent E. Groza, Raymond J. Mlinac, 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, Brent E. Groza, Raymond J. Mlinac, 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, Brent E. Groza, Raymond J. Mlinac, Frederick T. Jones, Paul J. Henkels | 2002-01-29 |
| 5683635 | Method for preparing uniformly foamed gypsum product with less foam agitation | Stewart Hinshaw, Bradley S. Nemeth, Kip R. Buster | 1997-11-04 |
| 5643510 | Producing foamed gypsum board using a foaming agent blend | — | 1997-07-01 |
| 5336480 | Steam producing process | Chanakya Misra | 1994-08-09 |
| 5149520 | Small sized alpha alumina particles and platelets | John E. Marhanka, Alan Pearson | 1992-09-22 |
| 5141734 | Steam producing process | Chanakya Misra | 1992-08-25 |
| 4770869 | Steam producing process and products | Chanakya Misra | 1988-09-13 |
| 4585645 | Alpha alumina production in a steam-fluidized reactor | — | 1986-04-29 |