Patents by Inventor Yinhui (David) Lu

Yinhui (David) Lu 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).

  • Muffler joint
    Patent number: 10233815
    Abstract: A muffler includes an elongated muffler shell body with a first muffler end cap mounted on the first end of the muffler shell body in a manner defining a first muffler joint and a second muffler end cap mounted on the second end of the muffler shell body in a manner defining a second muffler joint. A louver and baffle assembly is mounted within an interior of the muffler shell body. The first end of the muffler shell body includes a first shell bead/ridge and the second end of the muffler shell body includes a second shell bead/ridge, and each of the circumferential edges of the first muffler end cap and the second muffler end cap are formed to define cap bead/ridges shaped and dimensioned for engagement with the first shell bead/ridge of the first end of the muffler shell body and the second shell bead/ridge of the second end of the muffler shell body.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: March 19, 2019
    Assignee: ADMC Holding, LLC
    Inventors: Douglas T DeVouge, Yinhui (David) Lu
  • MUFFLER JOINT
    Publication number: 20170218831
    Abstract: A muffler includes an elongated muffler shell body with a first muffler end cap mounted on the first end of the muffler shell body in a manner defining a first muffler joint and a second muffler end cap mounted on the second end of the muffler shell body in a manner defining a second muffler joint. A louver and baffle assembly is mounted within an interior of the muffler shell body. The first end of the muffler shell body includes a first shell bead/ridge and the second end of the muffler shell body includes a second shell bead/ridge, and each of the circumferential edges of the first muffler end cap and the second muffler end cap are formed to define cap bead/ridges shaped and dimensioned for engagement with the first shell bead/ridge of the first end of the muffler shell body and the second shell bead/ridge of the second end of the muffler shell body.
    Type: Application
    Filed: January 30, 2017
    Publication date: August 3, 2017
    Inventors: Douglas T. DeVouge, Yinhui (David) Lu