Maryland's Defense Patent Database

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External filter assembly adapted for modifying a suction cleaning device to perform biological sampling

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An external filter assembly adapted for modifying a suction cleaning device to sample relatively small particles from various surfaces and/or the ambient air, includes a housing having a first open end, a second open end and a throughbore between the first and second open ends, a filter adapted for capturing particles with particle sizes greater than 0.1 micrometer, the filter being mounted on and enclosing the first open end, and means for securely retaining the second open end of the housing on an exhaust port of the suction cleaning device in communication with the housing throughbore.

Inventors: 
Bottiger, Jerold R.; Kesavan, Jana S.
Patent Number: 
Technical domain: 
Biotechnology and Healthcare
FIle Date: 
2013-03-01
Grant Date: 
2015-08-04
Grant time: 
886 days
Grant time percentile rank: 
16
Claim count percentile rank: 
4
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
UNITED STATES OF AMERICA