Patents by Inventor Teck Liang Francis CHIN

Teck Liang Francis CHIN 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).

  • Publication number: 20200173214
    Abstract: An adjusting device for a door closer having a worm screw intended to be engaged with the door closer, a drive wheel solidly attached to the worm screw, a connection element and an indicator, wheel, where the connection element includes a first wheel meshed with the drive wheel and a second wheel which is solidly attached with the first wheel, and the indicator wheel is meshed with the second wheel.
    Type: Application
    Filed: October 30, 2019
    Publication date: June 4, 2020
    Inventors: Teck Liang Francis CHIN, Yong Jin SOH, Weng Kit KAN