Patents by Inventor Kang Au

Kang Au 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).

  • Flashlight
    Publication number: 20080055893
    Abstract: A portable lighting device, such as a flashlight, having a rotatable band disposed around the exterior of the flashlight is disclosed. Rotational movement of the band is converted to lateral movement of the light emitting element within the flashlight. The structural integrity of the flashlight is not compromised when the rotatable band is rotated around the flashlight to adjust the width of the projected pattern of light.
    Type: Application
    Filed: October 29, 2007
    Publication date: March 6, 2008
    Inventors: Kang Au, Siu Ng, Wing Tang
  • Multi-mode flashlight
    Publication number: 20070145912
    Abstract: A lighting device includes one or more light sources, one or more switches, and a controller. The lighting device has multiple modes of operation. The controller selects modes of operation according to the one or more switches. The controller controls or operates the one or more light sources according to the selected mode of operation.
    Type: Application
    Filed: December 11, 2006
    Publication date: June 28, 2007
    Inventors: David Spartano, John Crawford, Joseph Gardner, Michael Sanders, Scott Osiecki, Ronald Kingston, Mark Ferguson, Kang Au, Wai Lam
  • Flashlight
    Publication number: 20060056176
    Abstract: A portable lighting device, such as a flashlight, having a rotatable band disposed around the exterior of the flashlight is disclosed. Rotational movement of the band is converted to lateral movement of the light emitting element within the flashlight. The structural integrity of the flashlight is not compromised when the rotatable band is rotated around the flashlight to adjust the width of the projected pattern of light.
    Type: Application
    Filed: September 16, 2004
    Publication date: March 16, 2006
    Inventors: Kang Au, Siu Ng, Wing Tang