Patents by Inventor Kelvin Yip

Kelvin Yip 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).

  • Coffee maker
    Patent number: 7032502
    Abstract: A coffee maker includes a water reservoir, an in-line water heater, a brew basket for receiving coffee grinds, and a water passage between the reservoir and the brew basket. The passage passes through the in-line water heater for delivering heated water to the brew basket. A a bi-directional valve disposed in the water passage between the water reservoir and the in-line water heater to permit substantially unrestricted flow in a first direction and restricted flow in a second direction. A controller can be provided for altering the valve between an unrestricted bi-directional mode and a unidirectional mode.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: April 25, 2006
    Assignee: Simatelex Manufactory Co. Ltd.
    Inventors: Chi Tong Chan, Kelvin Yip
  • Coffee maker
    Publication number: 20040060448
    Abstract: A coffee maker includes a water reservoir, an in-line water heater, a brew basket for receiving coffee grinds, and a water passage between the reservoir and the brew basket. The passage passes through the in-line water heater for delivering heated water to the brew basket. A a bi-directional valve disposed in the water passage between the water reservoir and the in-line water heater to permit substantially unrestricted flow in a first direction and restricted flow in a second direction. A controller can be provided for altering the valve between an unrestricted bi-directional mode and a unidirectional mode.
    Type: Application
    Filed: September 27, 2002
    Publication date: April 1, 2004
    Inventors: Chi Tong Chan, Kelvin Yip