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1. US20230033579 - Protective Device

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United States of America
Application Number 17386509
Application Date 27.07.2021
Publication Number 20230033579
Publication Date 02.02.2023
Publication Kind A1
IPC
A62B 18/04
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
18Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes
04Gas helmets
A62B 18/00
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
18Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes
A42B 3/28
AHUMAN NECESSITIES
42HEADWEAR
BHATS; HEAD COVERINGS
3Helmets; Helmet covers
04Parts, details or accessories of helmets
28Ventilating arrangements
A42B 3/20
AHUMAN NECESSITIES
42HEADWEAR
BHATS; HEAD COVERINGS
3Helmets; Helmet covers
04Parts, details or accessories of helmets
18Face protection devices
20Face guards, e.g. for ice hockey
A42B 3/22
AHUMAN NECESSITIES
42HEADWEAR
BHATS; HEAD COVERINGS
3Helmets; Helmet covers
04Parts, details or accessories of helmets
18Face protection devices
22Visors
CPC
A62B 18/003
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
18Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes ; or incorporating a pump or compressor for reducing the inhalation effort
003having means for creating a fresh air curtain
A62B 18/045
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
18Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes ; or incorporating a pump or compressor for reducing the inhalation effort
04Gas helmets
045with fans for delivering air for breathing mounted in or on the helmet
A42B 3/286
AHUMAN NECESSITIES
42HEADWEAR
BHATS; HEAD COVERINGS
3Helmets; Helmet covers ; ; Other protective head coverings;
04Parts, details or accessories of helmets
28Ventilating arrangements
286with forced flow, e.g. by a fan
A42B 3/20
AHUMAN NECESSITIES
42HEADWEAR
BHATS; HEAD COVERINGS
3Helmets; Helmet covers ; ; Other protective head coverings;
04Parts, details or accessories of helmets
18Face protection devices
20Face guards, e.g. for ice hockey
A42B 3/225
AHUMAN NECESSITIES
42HEADWEAR
BHATS; HEAD COVERINGS
3Helmets; Helmet covers ; ; Other protective head coverings;
04Parts, details or accessories of helmets
18Face protection devices
22Visors
225with full face protection, e.g. for industrial safety applications
Applicants Daniel John Hyman
Kajornpat Zithisakthanakul
T.-Y. Tang
Inventors Daniel John Hyman
Kajornpat Zithisakthanakul
T.-Y. Tang
Title
(EN) Protective Device
front page image
Abstract
(EN)

An air purifying device including means for reducing air resistance between the air filtering elements and the target locations for the purified air. Reduced air resistance lowers the energy consumed by the device, thereby reducing its size and weight as well as improving ease of integration with a variety of head gear.
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