The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 13, 2002
Filed:
Mar. 13, 2000
Applicant:
Inventor:
Peter Alfred Payne, Knutsford, GB;
Assignee:
Osmetech PLC, Crewe, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/24 ; G01N 3/300 ;
U.S. Cl.
CPC ...
G01N 1/24 ; G01N 3/300 ;
Abstract
There is disclosed a gas sampling apparatus ( ) adapted for use in a hand-held gas sensing device ( ) having at least one gas sensor ( ), the apparatus comprising: a gas inlet ( ); a gas conductor ( ) for conducting gas from the gas inlet to the sensor or sensors; a gas outlet ( ), a gas conductor ( ) for conducting gas from the sensor or sensors to the gas outlet; and a vacuum containment ( ) enclosing an inner region having a pressure below atmospheric pressure and adapted for connection to the gas outlet so that a flow of gas is developed from the gas inlet to the vacuum containment.