Patents by Inventor Kang Woon Au

Kang Woon 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).

  • Patent number: 7815336
    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: Grant
    Filed: January 22, 2009
    Date of Patent: October 19, 2010
    Assignee: Eveready Battery Company, Inc.
    Inventors: Kang Woon Au, Siu Bong Ng, Wing On Tang
  • Publication number: 20100225246
    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: May 19, 2010
    Publication date: September 9, 2010
    Applicant: EVEREADY BATTERY COMPANY, INC.
    Inventors: David A. Spartano, John D. Crawford, Joseph P. Gardner, Michael W. Sanders, Scott W. Osiecki, Ronald J. Kingston, Mark A. Ferguson, Kang Woon Au, Wai Kwong Lam
  • Patent number: 7731385
    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: Grant
    Filed: December 11, 2006
    Date of Patent: June 8, 2010
    Assignee: Eveready Battery Company, Inc.
    Inventors: David A. Spartano, John D. Crawford, Joseph P. Gardner, Michael W. Sanders, Scott W. Osiecki, Ronald J. Kingston, Mark A. Ferguson, Kang Woon Au, Wai Kwong Lam, Thomas I. Meyers
  • Publication number: 20090122529
    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: January 22, 2009
    Publication date: May 14, 2009
    Applicant: EVEREADY BATTERY COMPANY, INC.
    Inventors: Kang Woon Au, Siu Bong Ng, Wing On Tang
  • Patent number: 7510298
    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: Grant
    Filed: October 29, 2007
    Date of Patent: March 31, 2009
    Assignee: Eveready Battery Company, Inc.
    Inventors: Kang Woon Au, Siu Bong Ng, Wing On Tang
  • Patent number: 7393117
    Abstract: A flashlight (10) including: a housing (12) with a light source (104), a power source (142), and an aperture (126) through the housing (12) that is closed by a resilient cover (112). The resilient cover (112) extends over a switch assembly (18) and provides a waterproof seal for the housing (12). An indicator means (146), when illuminated, is visible through the resilient cover (112). A waterproof flashlight (10) having an electric contact (154) extending through a contact aperture (38) formed in the housing (12) with resilient sealing means (164) between to establish a water tight seal. A securement means (158) to place the resilient means (164) under compression. When not in use, the flashlight (10) may be stowed on a base (40) for recharging through the electrical contact (154).
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: July 1, 2008
    Assignee: Eveready Battery Company, Inc.
    Inventors: David R. Dalton, Kang Woon Au, Angelo Kotsis, Michael Squires
  • Patent number: 7309139
    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: Grant
    Filed: September 16, 2004
    Date of Patent: December 18, 2007
    Assignee: Eveready Battery Company, Inc.
    Inventors: Kang Woon Au, Siu Bong Ng, Wing On Tang
  • Patent number: 5684378
    Abstract: A rechargeable flashlight is provided comprising in combination a tubular housing open at one end and closed at an opposite end. An integral lamp assembly and power supply circuit are slidably received within the tubular housing. An electrical connector is provided at the closed end of the tubular housing to selectively interconnect the power supply circuit to an external electrical power source, such as an AC socket, to recharge the battery. In a second position, the electrical connector is disconnected from the power supply circuit, and power is provided by the rechargeable battery. The open end of the tubular housing is closed by a removable lens assembly, concentrically receiving a lamp extending from the integral lamp assembly, for organizing the light produced by the lamp into a beam.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: November 4, 1997
    Assignee: Eveready Battery Company
    Inventors: David A. Furth, Mark A. Ferguson, Peter F. Lynch, Scott W. Osiecki, Kang Woon Au
  • Patent number: D562480
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: February 19, 2008
    Assignee: Eveready Battery Company, Inc.
    Inventors: David Spartano, Nguyen Violette, Kang Woon Au, David J. Hine, Scott W. Osiecki