Patents by Inventor Lam Po-Hei

Lam Po-Hei 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: 6252204
    Abstract: The invention relates to a safety device, particularly a locking mechanism for safe operation of an electric grill. The preferred embodiment is an electric cooking apparatus comprising a molded plastic base, a removable metal drip pan adapted to rest within the base and be supported by the base, a grill plate for cooking foods placed above the pan, where the grill plate contains bars and slots which, respectively, cook the food placed on the grill plate and allow drippings to pass through the grill plate to be captured on the drip pan without contacting the plastic base, an electric, resistance-type heater preferably disposed beneath the grill plate for heating the grill plate, and sheathed or case within the grill plate, and a combination thermo-probe and temperature detector with thermostat for supplying power to the electric heater, and for engaging a safety lock actuator lever and pin hook which allow the unit to operate.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: June 26, 2001
    Assignee: Poking Industrial Company Ltd.
    Inventor: Lam Po-Hei
  • Patent number: D438052
    Type: Grant
    Filed: July 3, 2000
    Date of Patent: February 27, 2001
    Assignee: Poking Industrial Company Ltd.
    Inventor: Lam Po-Hei
  • Patent number: D438424
    Type: Grant
    Filed: July 3, 2000
    Date of Patent: March 6, 2001
    Assignee: Poking Industrial Company Ltd.
    Inventor: Lam Po-Hei
  • Patent number: D438752
    Type: Grant
    Filed: July 3, 2000
    Date of Patent: March 13, 2001
    Assignee: Poking Industrial Company Ltd.
    Inventor: Lam Po-Hei
  • Patent number: D503869
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: April 12, 2005
    Assignee: Poking Industrial Company, LTD
    Inventor: Lam Po Hei
  • Patent number: D504277
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: April 26, 2005
    Assignee: Poking Industrial Company, LTD
    Inventor: Lam Po Hei
  • Patent number: D505044
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: May 17, 2005
    Assignee: Poking Industrial Company, Ltd.
    Inventor: Lam Po Hei
  • Patent number: D447907
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: September 18, 2001
    Assignee: Poking Industrial Company Ltd.
    Inventor: Lam Po-Hei