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:
Oct. 26, 2021
Filed:
Oct. 09, 2017
Applicant:
Perkinelmer Health Sciences, Inc., Waltham, MA (US);
Inventors:
Nathan L. Porter, Kaysville, UT (US);
Anthony D. Rands, Orem, UT (US);
Randal W. Waite, Springville, UT (US);
Kenneth D. Nemelka, Alpine, UT (US);
Chad B Grant, Sarotoga Springs, UT (US);
Assignee:
PerkinElmer Health Sciences, Inc., Waltham, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 15/12 (2006.01); B01D 59/44 (2006.01); G01F 1/72 (2006.01); G01N 1/22 (2006.01); G01N 1/24 (2006.01); G01N 1/40 (2006.01); G01N 30/30 (2006.01); G01N 30/96 (2006.01); G01N 15/08 (2006.01); G01N 30/62 (2006.01); G01N 30/02 (2006.01); G01N 30/12 (2006.01);
U.S. Cl.
CPC ...
B01D 15/12 (2013.01); B01D 59/44 (2013.01); G01F 1/72 (2013.01); G01N 1/2214 (2013.01); G01N 1/24 (2013.01); G01N 1/40 (2013.01); G01N 15/0826 (2013.01); G01N 30/30 (2013.01); G01N 30/96 (2013.01); G01N 2001/2297 (2013.01); G01N 2030/025 (2013.01); G01N 2030/128 (2013.01); G01N 2030/626 (2013.01);
Abstract
Certain configurations of devices and systems which are configured to draw a selected volume of an air sample into a trap are described. In some examples, the devices and systems comprise a pump and a mass flow sensor to draw a selected volume of the air sample through a trap even where variable restriction occurs.