Maryland's Defense Patent Database

The defense community in Maryland is an R&D powerhouse.

Use this database to see the innovative patents that are poised for commercialization.

Enhanced chemical/biological respiratory protection system

Patent image
AECBC

The invention utilizes a chemical/biological hood with a filter-blower system that is attached to the chemical/biological hood. The filter-blower system provides overpressure to the hood only. The hood is fitted to or attached to a chemical/biological mask. Overpressure created by the filter-blower around the mask is created and is independent of the wearer's respiration so that over-breathing of the positive pressure is not possible. Typically this system would be available as a hood capable of providing enhanced protection. However, the filter-blower and hood system could be integrated with the mask. Cinching or sealing the hood at the neck can improve overpressure performance.

Inventors: 
Grove, Corey M.; Caretti, David M.; Chase, Stephen E.
Patent Number: 
Technical domain: 
Other Fields
FIle Date: 
2004-05-04
Grant Date: 
2013-07-09
Grant time: 
3,353 days
Grant time percentile rank: 
61
Claim count percentile rank: 
1
Citations percentile rank: 
3
'Cited by' percentile rank: 
1
Assignee: 
US ARMY