Patent · US Active

Personal air filtering device with automatic control of air movement

US12185787B2 · kind B2 · utility

0Cited by
5References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 2021
Grant dateJan 7, 2025
Priority date
Expiry dateMar 22, 2041

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2273/30
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A personal air filtering device comprising a rigid component comprising a transparent face shield, a fabric component, wherein the face shield and fabric combine to cover an entire head of a user and form a seal around the user's neck, an intake port with an inlet filter, an exhaust port with an exhaust filter, an air mover causing filtered air to enter the intake port from outside the device and exhaust air to exit the exhaust port, and a controller configured to adjust the rate at which the air mover moves air.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.