Patents by Inventor Wai-Hung Woo

Wai-Hung Woo 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).

  • VIBRATION DAMPENING CONNECTOR FOR A NOSE HAIR TRIMMER
    Publication number: 20210237291
    Abstract: A device includes a handle; a blade housing including an opening; a motor positioned within the handle and having a drive shaft that rotates about a drive shaft axis; a connector including a recess receiving the drive shaft such that rotation of the drive shaft causes rotation of the connector about the drive shaft axis, wherein the connector comprises a TPE material; and a cutting blade positioned within the blade housing and configured to rotate about a cutting blade axis, wherein the cutting blade cuts hairs passing through the opening while the cutting blade is rotating, wherein the cutting blade engages the connector such that rotation of the connector causes rotation of the cutting blade about the cutting blade axis, wherein the TPE material has a sufficient Shore hardness to allow for misalignment between the drive shaft axis and the cutting blade axis.
    Type: Application
    Filed: January 14, 2021
    Publication date: August 5, 2021
    Applicant: Manscaped, LLC
    Inventors: Anh Hao Tran, Christopher Wai-Hung Woo, Michael Robert Hidock
  • Protective cover for rolls of toilet paper
    Patent number: D249604
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: September 26, 1978
    Inventor: Wai-Hung Woo