The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2026
Filed:
Nov. 07, 2023
Camfil Ab, Stockholm, SE;
Lim Boon Han, Ipoh Perak, MY;
Xin Chen, Shanghai, CN;
Keith Woolard, Washington, NC (US);
Kwang Chueng Lee, Singapore, SG;
Aaron Warner, Washington, NC (US);
Camfil AB, Stockholm, SE;
Abstract
A scanning device for an air filter being arranged to be mounted in a circular duct, comprising: a driving unit and a sampling unit, wherein the driving unit comprises an inner magnetic member and an inner magnetic member support element and an outer magnetic member and a circular guiding rail wherein the sampling unit comprises a central rotation axis and a probe nozzle, the probe nozzle is driven to rotate around the central rotation axis by a force of attraction between the inner magnetic member and the outer magnetic member.