US 12,213,553 B2
Head protection with integrated air filtration
Michael Joshua Kefauver, Albuquerque, NM (US); and Brandon Lance Johnson, Albuquerque, NM (US)
Assigned to GILZ LLC, Albuquerque, NM (US)
Appl. No. 18/031,577
Filed by GILZ LLC, Albuquerque, NM (US)
PCT Filed Oct. 9, 2021, PCT No. PCT/US2021/054329
§ 371(c)(1), (2) Date Apr. 12, 2023,
PCT Pub. No. WO2022/081439, PCT Pub. Date Apr. 21, 2022.
Claims priority of provisional application 63/090,781, filed on Oct. 13, 2020.
Prior Publication US 2023/0389642 A1, Dec. 7, 2023
Int. Cl. A42B 3/28 (2006.01)
CPC A42B 3/286 (2013.01) [A42B 3/288 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An apparatus comprising:
(a) a helmet;
(b) a connector configured to mount with an air filter;
(c) an airflow system mounted with the helmet and configured to draw air from the connector and produce laminar air flow over the nose, mouth, or both of an individual wearing the helmet; and
(d) a cowl detachably mounted with a rear exterior of the helmet, wherein the airflow system comprises an microprocessor control board mounted within the cowl, a centrifugal fan mounted within the cowl, a battery mounted within the cowl, and wherein the connector is configured to accept an air filter; wherein the microprocessor control board controls the operation of a centrifugal fan, the centrifugal fan forces air from the connector to produce laminar flow, and the battery supplies power to the microprocessor control board and to the centrifugal fan.