Inventor
PORTER MICHAEL J
US20 patents
⚠️ This page may combine multiple inventors who share the name “PORTER MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED STATES GYPSUM CO
18 patentsUS6986812B2Jan 17, 2006
Slurry feed apparatus for fiber-reinforced structural cementitious panel production
UNITED STATES GYPSUM CO90 citations98
US7851057B2Dec 14, 2010
Acoustical panel comprising interlocking matrix of set gypsum and method for making same
UNITED STATES GYPSUM CO58 citations96
US7364015B2Apr 29, 2008
Acoustical panel comprising interlocking matrix of set gypsum and method for making same
UNITED STATES GYPSUM CO85 citations96
US4488917ADec 18, 1984
Method for making cement board
UNITED STATES GYPSUM CO42 citations92
US7789645B2Sep 7, 2010
Multi-layer process and apparatus for producing high strength fiber-reinforced structural cementitious panels
UNITED STATES GYPSUM CO22 citations89
US7445738B2Nov 4, 2008
Multi-layer process and apparatus for producing high strength fiber-reinforced structural cementitious panels
UNITED STATES GYPSUM CO45 citations89
US6273345B1Aug 14, 2001
High performance slurry spray machine
UNITED STATES GYPSUM CO26 citations88
US6138377AOct 31, 2000
Apparatus and process for cooling and de-steaming calcined stucco
UNITED STATES GYPSUM CO18 citations83
US6217946B1Apr 17, 2001
Method for applying polymeric diphenylmethane diisocyanate to cellulose/gypsum based substrate
UNITED STATES GYPSUM CO15 citations82
US7556791B2Jul 7, 2009
Gypsum anhydrite fillers and process for making same
UNITED STATES GYPSUM CO12 citations74
US4335636AJun 22, 1982
Apparatus for cutting a moving sheet
UNITED STATES GYPSUM CO15 citations73
US7765813B2Aug 3, 2010
Apparatus and process for cooling and de-steaming calcined stucco
UNITED STATES GYPSUM CO2 citations62
US7434980B2Oct 14, 2008
Swinging agitator for a gypsum calcining apparatus and the like
UNITED STATES GYPSUM CO2 citations62
US7182589B2Feb 27, 2007
Embedment device for fiber-enhanced slurry
UNITED STATES GYPSUM CO3 citations62
US7121713B2Oct 17, 2006
Swinging agitator for a gypsum calcining apparatus and the like
UNITED STATES GYPSUM CO5 citations62
US7513768B2Apr 7, 2009
Embedment roll device
UNITED STATES GYPSUM CO4 citations59
US7175426B2Feb 13, 2007
High efficiency refractoryless kettle
UNITED STATES GYPSUM CO5 citations58
US4576620AMar 18, 1986
Apparatus for the production of mineral fibers having supplemental collection chamber exhaust
UNITED STATES GYPSUM CO3 citations56