Patents by Inventor Gerald Wu

Gerald Wu 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).

  • Reusable ice mold
    Patent number: 4562991
    Abstract: An ice mold characterized by a lower mold section having an upwardly extending outer retainer wall and an upper mold section which fits within the outer retainer wall and which has an upwardly extending inner retainer wall. An annular void is formed between the retainer walls when the mold sections are engaged to provide an expansion space for the water as it freezes and to eliminate the need for a seal between the mold portions.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: January 7, 1986
    Inventor: Gerald Wu