Paul Lee Key

US Patent:

20200155877, May 21, 2020

Filed:

Nov 16, 2018

Appl. No.:

16/193242

Inventors:

Paul Key - Tucson AZ, US
Michael Fineberg - Tempe AZ, US

International Classification:

A62B 23/02
B01D 46/00
A62B 7/10

Abstract:

A wearable air filtration apparatus configured to fit beneath a full-face helmet is disclosed. The apparatus includes a front plate including an output aperture and at least one input aperture, the input and output apertures arranged to be substantially front facing when the apparatus is worn by a user. An air filter is arranged behind the front plate and positioned to filter air moving from in front of the apparatus toward the face of a user wearing the apparatus. A valve plate is located behind the filter, the valve plate including an output check valve in fluid communication with the output aperture and at least one input check valve in fluid communication with the at least one input aperture.

US Patent:

20180008847, Jan 11, 2018

Filed:

Sep 21, 2017

Appl. No.:

15/711881

Inventors:

Paul Key - Tucson AZ, US

International Classification:

A62B 23/02
A62B 18/02
A41D 13/11

Abstract:

An apparatus and methods for air filtration are disclosed. The apparatus includes a body and first and second replaceable filters. The body of the apparatus further contains an air-exchange assembly and a filter receiver attached to the air exchange assembly. The air-exchange assembly contains an exhaust tube with an open end and a closed end, two wings on opposite sides of the exhaust tube, and an intake check valve and an exhaust check valve inside the exhaust tube. The first replaceable filter surrounds the filter receiver; and the second replaceable filter is inside the filter receiver. Several apertures and the check valves are strategically disposed in the exhaust tube to achieve optimal air filtration and avoid contamination of a user's exhaust.

US Patent:

20170252588, Sep 7, 2017

Filed:

Mar 2, 2016

Appl. No.:

15/058626

Inventors:

Paul Key - Tucson AZ, US

International Classification:

A62B 23/02
A63B 71/08
A62B 9/02
A62B 9/06
B01D 46/00
B01D 46/24

Abstract:

An apparatus and methods for air filtration are disclosed. The apparatus includes a body and first and second replaceable filters. The body of the apparatus further contains an air-exchange assembly and a filter receiver attached to the air exchange assembly. The air-exchange assembly contains an exhaust tube with an open end and a closed end, two wings on opposite sides of the exhaust tube, and an intake check valve and an exhaust check valve inside the exhaust tube. The first replaceable filter surrounds the filter receiver; and the second replaceable filter is inside the filter receiver. Several apertures and the check valves are strategically disposed in the exhaust tube to achieve optimal air filtration and avoid contamination of a user's exhaust.

Address:

1254 W Crystal Palace Pl, Tucson, AZ 85737

Phone:

5202198116

VIN:

1GNUCBE05AR278698

Make:

CHEVROLET

Model:

TAHOE

Year:

2010