Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11674317 | Apparatus and process with a vibratory angled plate and/or fixed horizontal plate for forming fiber-reinforced cementitious panels with controlled thickness | Peter B. Groza, Ashish Dubey, Eugene Scott Stivender, Andrew Henry Bauer, Rajesh Raitani +1 more | 2023-06-13 |
| 10399898 | Hydrophobic finish compositions with extended flow time retention and building products made thereof | Yanfei Peng, Ashish Dubey, Chris C. Lee, Jeffrey W. Donelan | 2019-09-03 |
| 10207475 | Mat-faced board | Michael P. Shake, Jeffrey W. Donelan | 2019-02-19 |
| 9410058 | Compositions and methods for water-resistant gypsum fiber products | Yufeng Xu | 2016-08-09 |
| 9328025 | Effective use of melamine sulfonate condensate dispersants in wallboard containing foam | Michael P. Shake, Runhai Lu | 2016-05-03 |
| 8801852 | Additives in gypsum slurries and adjusting their proportions | Chris C. Lee, Alfred C. Li, Richard J. Haszel, James R. Wittbold, Brent E. Groza | 2014-08-12 |
| 8597426 | Additives in gypsum panels and adjusting their proportions | Chris C. Lee, Alfred C. Li, Richard J. Haszel, James R. Wittbold, Brent E. Groza | 2013-12-03 |
| 8142915 | Foamed slurry and building panel made therefrom | Runhai Lu, Sharon L. Tracy, Qingxia Liu, James R. Wittbold, Bruce L. Petersen +4 more | 2012-03-27 |
| 8088218 | Foamed slurry and building panel made therefrom | Runhai Lu, Sharon L. Tracy, Qingxia Liu, James R. Wittbold, Bruce L. Petersen +4 more | 2012-01-03 |
| 7932308 | Modifiers for gypsum slurries and method of using them | Dennis Mark Lettkeman, Michael P. Shake, Qingxia Liu, John W. Wilson, Brian Randall | 2011-04-26 |
| 7776461 | Gypsum products utilizing a two-repeating unit dispersant and a method for making them | Michael P. Shake, Qingxia Liu | 2010-08-17 |
| 7776462 | Gypsum products utilizing a two-repeating unit dispersant and a method of making them | Qingxia Liu, Michael P. Shake, John W. Wilson, Brian Randall, Dennis Mark Lettkeman | 2010-08-17 |
| 7767019 | Gypsum products utilizing a two-repeating unit dispersant and a method for making them | Qingxia Liu, Michael P. Shake, John W. Wilson, Brian Randall, Dennis Mark Lettkeman | 2010-08-03 |
| 7637996 | Gypsum products utilizing a two-repeating unit dispersant and a method for making them | Michael P. Shake, Qingxia Liu | 2009-12-29 |
| 7608347 | Modifiers for gypsum slurries and method of using them | Dennis Mark Lettkeman, Michael P. Shake, Qingxia Liu, John W. Wilson, Brian Randall | 2009-10-27 |
| 7601214 | Modified landplaster as a wallboard filler | Qingxia Liu, Michael P. Shake | 2009-10-13 |
| 7572328 | Fast drying gypsum products | Dennis Mark Lettkeman, Qingxia Liu, John W. Wilson, Brian Randall, Michael P. Shake | 2009-08-11 |
| 7572329 | Method of making a gypsum slurry with modifiers and dispersants | Qingxia Liu, Michael P. Shake, Brian Randall, John W. Wilson, Dennis Mark Lettkeman | 2009-08-11 |
| 7544242 | Effective use of dispersants in wallboard containing foam | Qingxia Liu, Michael P. Shake, Stewart Hinshaw | 2009-06-09 |
| 5516819 | Polymer compositions | Stephen Francis Bush, James M. Methven | 1996-05-14 |
| 5496873 | Polymeric compositions | Stephen Francis Bush, James M. Methven | 1996-03-05 |
| 4266940 | Method for dyeing acrylonitrile polymer and copolymer fibres | Malcolm Wild | 1981-05-12 |