Patents by Inventor Donald Drum

Donald Drum 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).

  • Autoilluminating rechargeable lamp system
    Patent number: 7391182
    Abstract: An autoilluminating rechargeable lamp system includes a set of one or more self-standing rechargeable lighting fixtures (luminaries) removably supported on a recharging and support member. The luminaries each include a light diffusor that may resemble a-that turn on when removed from the recharging and support member. The luminaries may also turn on when power to the recharging and support member is turned off, turning the luminaries on automatically as during a power failure. The luminaries may each be inductively coupled to the recharging and support member, which enables to provide an aesthetically pleasing interface free of electrical contacts.
    Type: Grant
    Filed: November 15, 2004
    Date of Patent: June 24, 2008
    Assignee: Helen of Troy Limited
    Inventors: Stéfane E. Barbeau, Duane B. Smith, Donald Drum
  • Autoilluminating rechargeable lamp system
    Publication number: 20050194930
    Abstract: An autoilluminating rechargeable lamp system includes a set of one or more self-standing rechargeable lighting fixtures (luminaries) removably supported on a recharging and support member. The luminaries each include a light diffusor that may resemble a-that turn on when removed from the recharging and support member. The luminaries may also turn on when power to the recharging and support member is turned off, turning the luminaries on automatically as during a power failure. The luminaries may each be inductively coupled to the recharging and support member, which enables to provide an aesthetically pleasing interface free of electrical contacts.
    Type: Application
    Filed: November 15, 2004
    Publication date: September 8, 2005
    Inventors: Stefane Barbeau, Duane Smith, Donald Drum