JC

John W. College

DL Dravo Lime: 15 patents #1 of 32Top 4%
CG Certainteed Gypsum: 12 patents #3 of 75Top 4%
DR Dravo: 1 patents #27 of 74Top 40%
Overall (All Time): #116,758 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 25 most recent of 31 patents

Patent #TitleCo-InventorsDate
11873259 System and method for the production of gypsum board using starch pellets Shane Libunao, Mark Harris 2024-01-16
11034621 Struvite-K/Syngenite building compositions comprising silicate materials and building articles such as wallboards made therefrom Isaac K. Cherian, Gaurav V. Pattarkine, Michael J. Lemberger 2021-06-15
10532955 System and method for the production of gypsum board using starch pellets Shane Libunao, Mark Harris 2020-01-14
10473397 Method for the use of heat energy from gasification sources in gypsum board production Felipe J. Yanes, David Corbin 2019-11-12
9902656 System and method for the production of gypsum board using starch pellets Shane Libunao, Mark Harris 2018-02-27
9862903 System and method for using board plant flue gases in the production of syngas 2018-01-09
9656876 Method for reducing elemental sulfur in gypsum products Sang Ho Lee, Chris Hilton, Yu-Zhi Kiang, Choung-Houng Lai, George Glavin 2017-05-23
8882943 System and method for the production of gypsum board using starch pellets Shane Libunao, Mark Harris 2014-11-11
8545578 System and method for using board plant flue gases in the production of syngas 2013-10-01
8388926 System and method for the production of gypsum using heat recovery 2013-03-05
8371038 Method for the use of heat energy from gasification sources in gypsum board production Felipe J. Yanes, David Corbin 2013-02-12
7955587 System and method for the production of alpha type gypsum using heat recovery 2011-06-07
7498014 System and method for the production of alpha type gypsum using heat recovery 2009-03-03
6250473 Method and apparatus for separating fast settling particles from slow settling particles R. Mark Golightley, Phillip G. Morgan, James H. Wilhelm 2001-06-26
6197200 Method of purifying flue gas waste slurries for use in gypsum production Bryan R. Beyer, Robert Mark Golightley 2001-03-06
6099816 Process for desulfurizing a sulfur-dioxide containing gas Lewis B. Benson 2000-08-08
5827488 Process for removing SO.sub.2 and NO.sub.x from a gaseous stream Manyam Babu 1998-10-27
5769940 Process for producing cement and elemental sulfur from a flue gas desulfurization waste product 1998-06-23
5766339 Process for producing cement from a flue gas desulfurization process waste product Manyam Babu, Russell C. Forsythe 1998-06-16
5695727 Process for removing sulfur dioxide and nitrogen oxides from a hot gaseous stream with ferrous chelate regeneration Shiaw Tseng, David R. McKinney 1997-12-09
5645807 Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation Shiaw Tseng, Russell C. Forsythe 1997-07-08
5628811 Method of ameliorating acid soil to enhance plant growth Joel H. Beeghly, K. Dale Ritchey, Virupax C. Baligar, Ralph B. Clark 1997-05-13
5614158 Process for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxide 1997-03-25
5380505 Production of low sulfur content lime from limestone 1995-01-10
5312609 Method of sulfur dioxide removal from gaseous streams with .alpha.-hemihydrate gypsum product formation 1994-05-17