Patent · US Active

Room air purifier with RFID reader

US11168907B2 · kind B2 · utility

0Cited by

12References

16Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Andrew R. Fox · Oakdale, US
Liang Cheng · Shanghai, CN
Weilai Jiang · Shanghai, CN
Yinghua Yang · San Jose, US
Zhijun Yang · Tangxia, CN
Jie Zhou · Hefei, CN
Yixiong Chen · Shanghai, CN
Xiaodan Chen · Shenyang, CN
Pan Liu · Cliffwood, US
Ling Chen · Shanghai, CN
Wenqian Tang · Shanghai, CN
Liliang Liu · Shanghai, CN

Key dates

Filing date	Feb 17, 2021
Grant date	Nov 9, 2021
Priority date	—
Expiry date	Feb 17, 2041

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF24F2110/64
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A room air purifier including an RFID reader and a wireless communication unit, and methods of using such a room air purifier.

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