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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 11686415 B1

PDFFull Text
Date of Patent:
Jun. 27, 2023

Filed:

Apr. 01, 2020

Compact portable oxygen concentrator

Applicant:

Inogen, Inc., Goleta, CA (US);

Inventors:

Brenton Alan Taylor, Kenwood, CA (US);

Peter James Hansen, Santa Barbara, CA (US);

Daniel Wayne Chin, Summerland, CA (US);

Patrick Fitzlindon Burgess, Dunedin, FL (US);

Michael Pollack, Goleta, CA (US);

Assignee:

Inogen, Inc., Goleta, CA (US);

Attorney:

Knobbe Martens Olson & Bear, LLP

Primary Examiner:

Frank M Lawrence, Jr

Int. Cl.
CPC ...
B01D 53/047 (2006.01); A61M 16/00 (2006.01); F16L 39/04 (2006.01); A61M 16/10 (2006.01); A61M 16/08 (2006.01); F04B 53/16 (2006.01); G01N 33/00 (2006.01); G01N 33/497 (2006.01); F04B 49/06 (2006.01); F04C 28/08 (2006.01); F04D 27/00 (2006.01); H03K 3/017 (2006.01); B01D 53/04 (2006.01); B01D 53/053 (2006.01); H01M 50/247 (2021.01); H01M 50/284 (2021.01); H01M 50/204 (2021.01); B01D 53/00 (2006.01);
U.S. Cl.
CPC ...
F16L 39/04 (2013.01); A61M 16/0063 (2014.02); A61M 16/0875 (2013.01); A61M 16/101 (2014.02); B01D 53/0407 (2013.01); B01D 53/053 (2013.01); F04B 49/06 (2013.01); F04B 53/16 (2013.01); F04C 28/08 (2013.01); F04D 27/004 (2013.01); G01N 33/0031 (2013.01); G01N 33/497 (2013.01); H01M 50/204 (2021.01); H01M 50/247 (2021.01); H01M 50/284 (2021.01); H03K 3/017 (2013.01); A61M 2016/1025 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/3331 (2013.01); A61M 2205/3375 (2013.01); A61M 2205/362 (2013.01); A61M 2205/3606 (2013.01); A61M 2205/8206 (2013.01); A61M 2230/42 (2013.01); B01D 53/00 (2013.01); B01D 2256/12 (2013.01); B01D 2257/102 (2013.01); B01D 2257/40 (2013.01); B01D 2259/4533 (2013.01); B01D 2259/4541 (2013.01); F05B 2270/301 (2013.01);
Abstract

A battery retaining system for a portable oxygen concentrator includes a first rail configured to receive a first slide of a battery, a second rail configured to receive a second slide of the battery, the second rail being spaced apart from the first rail so as to form a channel configured to receive the battery, and a flexible stiffening mechanism configured to impart a biasing force on a surface of the battery when the battery is received within the channel. The flexible stiffening mechanism includes a protrusion projecting from the first rail at least partially towards the second rail and a slit positioned behind the protrusion and configured to facilitate travel of the protrusion fore and aft.

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