Patents by Inventor Lim Boon HAN

Lim Boon HAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Scanning device for an air filter
    Patent number: 12663343
    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.
    Type: Grant
    Filed: November 7, 2023
    Date of Patent: June 23, 2026
    Assignee: Camfil AB
    Inventors: Lim Boon Han, Xin Chen, Keith Woolard, Kwang Chueng Lee, Aaron Warner
  • SCANNING DEVICE FOR AN AIR FILTER
    Publication number: 20240159627
    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.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 16, 2024
    Inventors: Lim Boon HAN, Xin CHEN, Keith WOOLARD, Kwang Chueng LEE, Aaron WARNER