Patents by Inventor Billy Ying Bui Lau

Billy Ying Bui Lau 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).

  • Quick cooling air conditioning system
    Patent number: 5937660
    Abstract: A quick cooling air conditioning system that preserves high pressure refrigerant, in a portion of the refrigerant path or in a dedicated reservoir, after the shutdown of the air conditioning compressor. The quick air cooling is achieved by the instant application of high pressure refrigerant to the evaporator at the start-up of the air conditioning system.
    Type: Grant
    Filed: January 17, 1998
    Date of Patent: August 17, 1999
    Inventors: Billy Ying Bui Lau, Shyh-Shyan Tung
  • Portable multi-port liquid dispensing system
    Patent number: 5799873
    Abstract: The present invention relates to liquid dispensers, more specifically to a multi-port dispensing system that allows the user to either receive a spray of liquid for cooling or a stream of water for drinking. The preferred embodiment of the present invention consists of an ejector (or spray head) that attaches to a body. The body in turn attaches to a container. Once fully assembled, the user may drink liquid from the container by sucking on the straw protruding from the body. Simultaneously or sequentially with drinking from the straw, the user may receive a refreshing spray from the ejector.
    Type: Grant
    Filed: May 15, 1997
    Date of Patent: September 1, 1998
    Inventor: Billy Ying Bui Lau
  • Portable multi-port liquid adapter
    Patent number: D407017
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: March 23, 1999
    Inventor: Billy Ying Bui Lau