GPAC, Inc.
13Patents
0Active
13Granted
34Portfolio score
Filing activity: Apr 10, 1986 → Dec 23, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4818970A | Fire condition detection and control system for air moving and filtering units | Emerging Cross-Sectional Technologies | 221 | Expired |
| US5099751A | Control system for doors of a negative air pressure enclosure | Mechanical Engineering; Lighting; Heating | 85 | Expired |
| US4786295A | Filtration device for airborne contaminants | Performing Operations; Transporting | 84 | Expired |
| US4726825A | Disposable HEPA filtration device | Emerging Cross-Sectional Technologies | 68 | Expired |
| US4888846A | Asbestos scraper | Fixed Constructions | 56 | Expired |
| US5259854A | Disposable HEPA filtration device | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4812700A | Portable containment device for treatment of hazardous materials | Performing Operations; Transporting | 19 | Expired |
| US4884374A | Asbestos removal glove | Human Necessities | 14 | Expired |
| US5054252A | System for sealing asbestos contaminated material in building crawl space | Fixed Constructions | 14 | Expired |
| US5360372A | Control system for doors of a negative air pressure enclosure | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4705429A | Method of disposing of asbestos waste material | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4922806A | Doors for negative air pressure enclosure | Performing Operations; Transporting | 5 | Expired |
| US4993313A | Control system for doors of a negative air pressure enclosure | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.