Inventor
COLLEGE JOHN W
US26 patents
⚠️ This page may combine multiple inventors who share the name “COLLEGE JOHN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRAVO LIME CO
12 patentsUS5766339AJun 16, 1998
Process for producing cement from a flue gas desulfurization process waste product
DRAVO LIME CO73 citations93
US5769940AJun 23, 1998
Process for producing cement and elemental sulfur from a flue gas desulfurization waste product
DRAVO LIME CO30 citations92
US5200160AApr 6, 1993
Process for removing sulfur dioxide and nitrogen oxides from flue gases
DRAVO LIME CO31 citations91
US4976937ADec 11, 1990
Sulfur dioxide removal from flue gases with sulfite oxidation inhibition
DRAVO LIME CO24 citations91
US5645807AJul 8, 1997
Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation
DRAVO LIME CO19 citations81
US5614158AMar 25, 1997
Process for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxide
DRAVO LIME CO11 citations73
US5380505AJan 10, 1995
Production of low sulfur content lime from limestone
DRAVO LIME CO19 citations73
US5312609AMay 17, 1994
Method of sulfur dioxide removal from gaseous streams with α-hemihydrate gypsum product formation
DRAVO LIME CO17 citations73
US5270026ADec 14, 1993
Sulfur dioxide scrubbing process producing purified magnesium hydroxide
DRAVO LIME CO13 citations73
US5827488AOct 27, 1998
Process for removing SO2 and NOx from a gaseous stream
DRAVO LIME CO6 citations72
US5628811AMay 13, 1997
Method of ameliorating acid soil to enhance plant growth
DRAVO LIME CO15 citations65
US5695727ADec 9, 1997
Process for removing sulfur dioxide and nitrogen oxides from a hot gaseous stream with ferrous chelate regeneration
DRAVO LIME CO3 citations61
CERTAINTEED GYPSUM INC
6 patentsUS10532955B2Jan 14, 2020
System and method for the production of gypsum board using starch pellets
CERTAINTEED GYPSUM INC2 citations71
US9902656B2Feb 27, 2018
System and method for the production of gypsum board using starch pellets
CERTAINTEED GYPSUM INC3 citations71
US11873259B2Jan 16, 2024
System and method for the production of gypsum board using starch pellets
CERTAINTEED GYPSUM INC0 citations61
US10473397B2Nov 12, 2019
Method for the use of heat energy from gasification sources in gypsum board production
CERTAINTEED GYPSUM INC1 citations59
US9862903B2Jan 9, 2018
System and method for using board plant flue gases in the production of syngas
CERTAINTEED GYPSUM INC0 citations52
US9656876B1May 23, 2017
Method for reducing elemental sulfur in gypsum products
CERTAINTEED GYPSUM INC1 citations45