Patents by Inventor Pak Ming Daniel Chan

Pak Ming Daniel Chan 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).

  • Heat dissipating light reflecting device
    Patent number: 8398271
    Abstract: A LED lamp with adjustable beam direction includes a housing, a lamp base attached to one end of the housing for insertion into a lamp socket, a heatsink shaft mounted within the housing, a LED attached to one end of the heatsink shaft, a parabolic or elliptical or multi-facet reflector having a light output front opening and an asymmetric elliptical shaped rear opening, a first actuator for rotating the reflector about the LED, and a second actuator for tilting the reflector about the LED.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: March 19, 2013
    Inventor: Pak Ming Daniel Chan
  • HEAT DISSIPATING LIGHT REFLECTING DEVICE
    Publication number: 20110164422
    Abstract: A LED lamp with adjustable beam direction includes a housing, a lamp base attached to one end of the housing for insertion into a lamp socket, a heatsink shaft mounted within the housing, a LED attached to one end of the heatsink shaft, a parabolic or elliptical or multi-facet reflector having a light output front opening and an asymmetric elliptical shaped rear opening, a first actuator for rotating the reflector about the LED, and a second actuator for tilting the reflector about the LED.
    Type: Application
    Filed: January 5, 2010
    Publication date: July 7, 2011
    Inventor: Pak Ming Daniel Chan