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. 19, 2025
Filed:
Jan. 11, 2022
Applicant:
Hound Labs, Inc., Oakland, CA (US);
Inventors:
Michael V. D'ambrosio, Berkeley, CA (US);
Daniel H. Friedman, Mountain View, CA (US);
Jeffrey A. Stoll, San Mateo, CA (US);
Michael Scott Lynn, Piedmont, CA (US);
Assignee:
Hound Labs, Inc., Oakland, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/497 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 33/497 (2013.01); G01N 33/0047 (2013.01); G01N 33/4975 (2024.05);
Abstract
Accurate measurement of breath-borne analyte(s) is disclosed, in which such a measurement can be compared to a background level of the analyte(s) in an ambient air sample. Methods, systems, and devices can include use of this background level for the purposes of detection and/or measurement of an analyte (e.g., THC) in breath samples of for law enforcement, health, and safety applications.