# US 12,757,951 B2 · Partitioned PPE mask or respirator

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- Number: US 12,757,951 B2
- Document ID: US12757951B2
- Status: Granted
- Kind: B2
- Application number: 17/995,440
- Filed: 2021-04-06
- Published: 2023-06-01
- Granted: 2026-10-13
- Earliest claimed: 2020-04-06
- Applicants: Floe Mask, LLC
- Inventors: William J Birgen; Ronald Vinluan; Georgina Carrasco
- Web page: https://patentgrep.com/patent/US12757951B2

## CPC

- A41D 13/1107: {characterised by their shape}
- A62B 23/025: {the filter having substantially the shape of a mask (surgical face masks A41D13/11)}
- A41D: OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A62B: DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING (valves specially adapted for medical use A61M39/00; life-saving devices, apparatus or methods specially adapted for use in water B63C9/00; divers' equipment B63C11/00; specially adopted for use with aircraft, e.g. parachutes, ejector seats, {B64D17/00, B64D25/10}; rescue devices peculiar to mining E21F11/00)

## Abstract

A surgical mask having partitions that isolate the respiration from the nose and mouth of a wearer into two separate compartments or volumes.

## Claims

### Claim 1

A mask for a user, comprising:
a first respiration partition comprised of a first filter media, the first respiration partition comprised of first and second opposing side edges and a middle bottom edge, the first respiration partition formed to have a convex shape;
an aperture in the first respiration partition, the aperture positioned in the first respiration partition; and
a second respiration partition attached to the first respiration partition, the second respiration partition comprised of at least a second filter media with an open end and a closed end, the open end coupled around the aperture;
wherein the first respiration partition is configured to seal against the user's face around the user's nose, against the user's cheeks at the first and second opposing side edges, and conform against and under the user's chin at the middle bottom edge, the convex shape configured to cover the user's mouth therein;
wherein the aperture is configured for receipt of the user's nose therethrough;
wherein the second respiration partition is configured for receipt of respiration from the user's nose; and
wherein the first respiration partition is configured for receipt of respiration from the user's mouth.

### Claim 2 (depends on 1)

The mask in claim 1, further comprising
a semi-rigid nose-stay in the first respiration partition above the aperture.