JW

James R. Wittbold

UG United States Gypsum: 29 patents #7 of 432Top 2%
📍 Des Plaines, IL: #21 of 807 inventorsTop 3%
🗺 Illinois: #2,121 of 84,256 inventorsTop 3%
Overall (All Time): #131,379 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
10293522 Multi-piece mold and method of making slurry distributor Alfred C. Li, Chris C. Lee, Cesar Chan, Ronald E. Schenck, Weixin D. Song +2 more 2019-05-21
10286572 Flow splitter for slurry distribution system Alfred C. Li, Chris C. Lee, Cesar Chan, Ronald E. Schenck, Weixin D. Song +2 more 2019-05-14
10245611 Slurry distribution system and method Alfred C. Li, Christopher Lee, Christopher R. Nelson, Cesar Chan, Weixin D. Song 2019-04-02
10239230 Slurry distributor, system and method for using same Alfred C. Li, Chris C. Lee, Cesar Chan, Ronald E. Schenck, Weixin D. Song +3 more 2019-03-26
10189180 Foam injection system with variable port inserts for slurry mixing and dispensing apparatus Luis Carrazco 2019-01-29
10076853 Slurry distributor, system, and method for using same Chris C. Lee, Alfred C. Li, Naveen Punati, William J. Rago, Luis Carrazco 2018-09-18
10059033 Cementitious slurry mixing and dispensing system with pulser assembly and method for using same Chris C. Lee, William J. Rago 2018-08-28
10052793 Slurry distributor, system, and method for using same Alfred C. Li, Chris C. Lee, Cesar Chan, Ronald E. Schenck, Weixin D. Song +2 more 2018-08-21
10011045 Slurry mixer gate with enhanced flow and foaming geometry Chris C. Lee 2018-07-03
9999989 Slurry distributor with a profiling mechanism, system, and method for using same William J. Rago 2018-06-19
9909718 Multiple-leg discharge boot for slurry distribution Alfred C. Li, Chris C. Lee, Cesar Chan, William J. Rago, Weixin D. Song 2018-03-06
9700861 Slurry mixer gate having enhanced extractor ports Ronald E. Schenck 2017-07-11
9694332 Slurry mixer discharge gate adapter with transitioning cross-sectional geometry Stanley C. Brown, Steven Johnson, Christopher Shumway, Phillip Parker 2017-07-04
9616591 Slurry distributor, system and method for using same Alfred C. Li, Chris C. Lee, Cesar Chan, Ronald E. Schenck, Weixin D. Song +3 more 2017-04-11
9579822 Slurry distribution system and method Alfred C. Li, Chris C. Lee, Chris Nelson, Cesar Chan, Weixin D. Song 2017-02-28
9296124 Slurry distributor with a wiping mechanism, system, and method for using same Bill Rago, Alfred C. Li, Chris C. Lee 2016-03-29
8801852 Additives in gypsum slurries and adjusting their proportions Chris C. Lee, Alfred C. Li, Richard J. Haszel, David R. Blackburn, Brent E. Groza 2014-08-12
8597426 Additives in gypsum panels and adjusting their proportions Chris C. Lee, Alfred C. Li, Richard J. Haszel, David R. Blackburn, Brent E. Groza 2013-12-03
8444787 Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum W. David Song 2013-05-21
8142915 Foamed slurry and building panel made therefrom David R. Blackburn, Runhai Lu, Sharon L. Tracy, Qingxia Liu, Bruce L. Petersen +4 more 2012-03-27
8088218 Foamed slurry and building panel made therefrom David R. Blackburn, Runhai Lu, Sharon L. Tracy, Qingxia Liu, Bruce L. Petersen +4 more 2012-01-03
8016960 Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum W. David Song 2011-09-13
7875114 Foamed slurry and building panel made therefrom Bruce L. Petersen, Alfred C. Li 2011-01-25
7718019 Methods of and systems for preparing a heat resistant accelerant slurry and adding the accelerant slurry to a post-mixer aqueous dispersion of calcined gypsum Brent E. Groza 2010-05-18
7296919 Slurry mixer constrictor valve Bruce L. Petersen, Richard J. Haszel 2007-11-20