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:
Mar. 01, 2022
Filed:
Sep. 10, 2018
Applicants:
Owlstone Medical Limited, Cambridge, GB;
Owlstone Inc., Westport, CT (US);
Inventors:
Assignees:
Owlstone Medical Limited, Cambridge, GB;
Owlstone Inc., Westport, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/624 (2021.01); H01J 49/00 (2006.01);
U.S. Cl.
CPC ...
G01N 27/624 (2013.01); H01J 49/0031 (2013.01);
Abstract
An ion filter for filtering ions in a gas sample. The ion filter has a first ion channel for filtering ions from a target chemical in the gas sample. The ion filter has a second ion channel for filtering ions from the target chemical in the gas sample. The second ion channel is separated from the first ion channel. A temperature control region is in thermal contact with the first and second ion channels for controlling a difference in temperature between the first and second ion channels. A method of filtering ions from a target chemical in a gas sample is also provided.