Skip to main content
DownloadPatent

United States

US 12,697,458 B2

O2 concentrator with sieve bed bypass and control method thereof

US 12,697,458 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: Breathe Technoloogies, Inc. Its PDF downloads from this page without an account, up to 5 a day.

A first-page preview appears here once the PDF has been downloaded.
Applicant
Breathe Technoloogies, Inc.
Inventors
Tom Westfall; Enrico Brambilla
Publication date
2026-08-04
Filing date
2024-08-20
Document type
B2 Granted patent
Also written as
US 12,697,458 B2 · US12697458 · 12697458

Abstract

An oxygen concentrator includes one or more adsorbent sieve beds operable to remove nitrogen from air to produce concentrated oxygen gas at respective outlets thereof, a product tank fluidly coupled to the respective outlets of the sieve bed(s), a compressor operable to pressurize ambient air, one or more sieve bed flow paths from the compressor to respective inlets of the sieve bed(s), a bypass flow path from the compressor to the product tank that bypasses the sieve bed(s), and a valve unit operable to selectively allow flow of pressurized ambient air from the compressor along the one or mor…

The opening of the abstract. The full text is in the PDF.

No account needed: 5 free downloads a day (5 left today). Batch downloads and Office Action citations need a free account.

Patent office website: United States Patent and Trademark Office (USPTO)

Look up another patent

Need many patents at once?

Paste a whole list of numbers. DownloadPatent finds the right version of each and packs the PDFs into one ZIP.

Sign up free