Assignee
GPAC INC
US13 patents
Top patents by PatentIndex Score
US4818970AApr 4, 1989
Fire condition detection and control system for air moving and filtering units
GPAC INC257 citations97
US4786295ANov 22, 1988
Filtration device for airborne contaminants
GPAC INC139 citations96
US4726825AFeb 23, 1988
Disposable HEPA filtration device
GPAC INC108 citations96
US5259854ANov 9, 1993
Disposable HEPA filtration device
GPAC INC82 citations94
US4888846ADec 26, 1989
Asbestos scraper
GPAC INC83 citations94
US5099751AMar 31, 1992
Control system for doors of a negative air pressure enclosure
GPAC INC102 citations93
US4812700AMar 14, 1989
Portable containment device for treatment of hazardous materials
GPAC INC34 citations91
US5054252AOct 8, 1991
System for sealing asbestos contaminated material in building crawl space
GPAC INC24 citations90
US5360372ANov 1, 1994
Control system for doors of a negative air pressure enclosure
GPAC INC28 citations89
US4884374ADec 5, 1989
Asbestos removal glove
GPAC INC23 citations81
US4705429ANov 10, 1987
Method of disposing of asbestos waste material
GPAC INC16 citations74
US4922806AMay 8, 1990
Doors for negative air pressure enclosure
GPAC INC10 citations72
US4993313AFeb 19, 1991
Control system for doors of a negative air pressure enclosure
GPAC INC4 citations61