Patents by Inventor Hing Wah Chiu

Hing Wah Chiu 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).

  • Patent number: 6641238
    Abstract: A temperature and/or humidity controlled cabinet includes an environmentally controlled compartment having a main access opening and a swing door that is configured to selectively permit access to the inside of the environmentally controlled compartment via at least a portion of the main access opening and to close off access to the inside of the temperature controlled compartment via at least a portion of the main access opening. The cabinet further includes at least one sliding door that is defined in a portion of the swing door and that is configured to selectively permit access to the inside of the environmentally controlled compartment and to close off access to the inside of the environmentally controlled compartment.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: November 4, 2003
    Assignee: Carrier Commercial Refrigeration, Inc.
    Inventors: Michael A. Branz, Hing Wah Chiu
  • Publication number: 20030025426
    Abstract: A temperature and/or humidity controlled cabinet includes an environmentally controlled compartment having a main access opening and a swing door that is configured to selectively permit access to the inside of the environmentally controlled compartment via at least a portion of the main access opening and to close off access to the inside of the temperature controlled compartment via at least a portion of the main access opening. The cabinet further includes at least one sliding door that is defined in a portion of the swing door and that is configured to selectively permit access to the inside of the environmentally controlled compartment and to close off access to the inside of the environmentally controlled compartment.
    Type: Application
    Filed: September 27, 2002
    Publication date: February 6, 2003
    Inventors: Michael A. Branz, Hing Wah Chiu
  • Patent number: 6467859
    Abstract: A temperature and/or humidity controlled cabinet includes an environmentally controlled compartment having a main access opening and a swing door that is configured to selectively permit access to the inside of the environmentally controlled compartment via at least a portion of the main access opening and to close off access to the inside of the temperature controlled compartment via at least a portion of the main access opening. The cabinet further includes at least one sliding door that is defined in a portion of the swing door and that is configured to selectively permit access to the inside of the environmentally controlled compartment and to close off access to the inside of the environmentally controlled compartment.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: October 22, 2002
    Assignee: Specialty Equipment Companies, Inc.
    Inventors: Michael A. Branz, Hing Wah Chiu
  • Publication number: 20010030492
    Abstract: A temperature and/or humidity controlled cabinet includes an environmentally controlled compartment having a main access opening and a swing door that is configured to selectively permit access to the inside of the environmentally controlled compartment via at least a portion of the main access opening and to close off access to the inside of the temperature controlled compartment via at least a portion of the main access opening. The cabinet further includes at least one sliding door that is defined in a portion of the swing door and that is configured to selectively permit access to the inside of the environmentally controlled compartment and to close off access to the inside of the environmentally controlled compartment.
    Type: Application
    Filed: December 7, 2000
    Publication date: October 18, 2001
    Inventors: Michael A. Branz, Hing Wah Chiu