Patents by Inventor Wai-Hung Lau

Wai-Hung 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).

  • Combination coffee grinder and coffee storage device
    Patent number: 8056845
    Abstract: In a combination coffee grinder and coffee storage device, a housing has a grinding chamber and a storage container located with the housing. The storage container has a removable airtight closure and the grinding chamber has grinding blades. A motor is located in the housing for driving the grinding blades. A pump, located in the housing, has an air connection to the storage container for evacuating air from the storage container.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: November 15, 2011
    Assignee: Simatelex Manufactory Co. Ltd.
    Inventors: Chi-Wah Leung, Chi-Chung Fung, Wai-Hung Lau
  • COMBINATION COFFEE GRINDER AND COFFEE STORAGE DEVICE
    Publication number: 20110073690
    Abstract: In a combination coffee grinder and coffee storage device, a housing has a grinding chamber and a storage container located with the housing. The storage container has a removable airtight closure and the grinding chamber has grinding blades. A motor is located in the housing for driving the grinding blades. A pump, located in the housing, has an air connection to the storage container for evacuating air from the storage container.
    Type: Application
    Filed: September 28, 2009
    Publication date: March 31, 2011
    Applicant: SIMATELEX MANUFACTORY CO. LTD
    Inventors: Chi-Wah Leung, Chi-Chung Fung, Wai-Hung Lau