Patents by Inventor Ron Chung Li

Ron Chung Li 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).

  • Rotary-plug wall lamp
    Patent number: 6488510
    Abstract: A rotary-plug wall lamp, which comprises a socket body having a seat hole to be mounted with a ring-shaped copper piece and a contact copper piece riveted in place; the outer ends of the two contact copper pieces are in contact with the power copper pins of the rotary disk respectively; the inner edge thereof is in contact with the contact points of the circuit board; the rotary disk and the socket body are connected electrically through a shaft contact point therein and a ring-shaped contact point so as to supply power for the wall lamp, which can be turned freely within an angle of 270 degrees.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: December 3, 2002
    Assignee: Long-Beam Enterprise Co., Ltd.
    Inventor: Ron Chung Li
  • ROTARY-PLUG WALL LAMP
    Publication number: 20020137394
    Abstract: A rotary-plug wall lamp, which comprises a socket body having a seat hole to be mounted with a ring-shaped copper piece and a contact copper piece riveted in place; the outer ends of the two contact copper pieces are in contact with the power copper pins of the rotary disk respectively; the inner edge thereof is in contact with the contact points of the circuit board; the rotary disk and the socket body are connected electrically through a shaft contact point therein and a ring-shaped contact point so as to supply power for the wall lamp, which can be turned freely within an angle of 270 degrees.
    Type: Application
    Filed: March 21, 2001
    Publication date: September 26, 2002
    Applicant: Long-Beam Enterprise Co., Ltd.
    Inventor: Ron Chung Li