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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.:

US 12636645 B1

PDFFull Text
Date of Patent:
May. 26, 2026

Filed:

Mar. 31, 2020

Microfluidic devices

Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Alexander Govyadinov, Corvallis, OR (US);

Dennis M. Lazaroff, Corvallis, OR (US);

Brett E. Dahlgren, Corvallis, OR (US);

Stefan Enr Lucchini, Corvallis, OR (US);

Tod Woodford, Corvallis, OR (US);

Assignee:

Hewlett-Packard Development Company, L.P., Spring, TX (US);

Attorney:

Foley & Lardner LLP

Primary Examiner:

Paul S Hyun

Int. Cl.
CPC ...
G01N 21/62 (2006.01); B01L 3/00 (2006.01); G01N 21/64 (2006.01);
U.S. Cl.
CPC ...
B01L 3/502715 (2013.01); B01L 3/502707 (2013.01); G01N 21/64 (2013.01); B01L 2300/042 (2013.01); B01L 2300/0663 (2013.01); B01L 2300/0861 (2013.01); B01L 2300/168 (2013.01); G01N 2021/6471 (2013.01);
Abstract

The present disclosure is drawn to microfluidic devices. The microfluidic device includes a microfluidic well, a layered composite stack, and an optical sensor. The layered composite stack includes an optical filter composited with an etch-stopping layer. The optical filter defines the microfluidic well. The optical sensor is associated with the microfluidic well and has the optical filter positioned therebetween.

Find Patent Forward Citations

Govyadinov, Alexander. (2026). Microfluidic devices (U.S. Patent No. 12636645). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12636645

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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