Assignee
USG CORP
US13 patents
Top patents by PatentIndex Score
US5643510AJul 1, 1997
Producing foamed gypsum board using a foaming agent blend
USG CORP380 citations99
US5954497ASep 21, 1999
Method for multi-stage calcining of gypsum to produce an anhydrite product
USG CORP60 citations93
US4657594AApr 14, 1987
Lightweight joint compound
USG CORP71 citations90
US4525388AJun 25, 1985
Process for expanding and coating perlite
USG CORP72 citations89
US4520073AMay 28, 1985
Pressure coating of mineral fillers
USG CORP52 citations89
US4633614AJan 6, 1987
Adjustable tub enclosure and shower stall doors
USG CORP34 citations86
US4698946AOct 13, 1987
Intersecting partitions adapted to support corner-mounted furniture
USG CORP24 citations82
US5743728AApr 28, 1998
Method and system for multi-stage calcining of gypsum to produce an anhydrite product
USG CORP16 citations79
US4724650AFeb 16, 1988
Subceiling beam intersection
USG CORP10 citations71
USD299754SFeb 7, 1989
Decorative sliding door
USG CORP18 citations69
US4771687ASep 20, 1988
Belt transfer printing of nonplanar articles
USG CORP17 citations68
US4681644AJul 21, 1987
Accelerator for gypsum plaster and process of manufacture
USG CORP16 citations66
USD299755SFeb 7, 1989
Decorative sliding door
USG CORP0 citations50