Patents Assigned to Metalumen Manufacturing Inc.
  • Diffuser shield and lighting system for uniform illumination
    Patent number: 7393123
    Abstract: An apparatus for uniform illumination includes a light source and one diffuser shield maintained in proximity with the light source to uniformly disperse light from the light source. The diffuser shield is formed at least by an outer filter having a concave and perforated surface, and a translucent interior disk having two outer layers of transparent glass and an inner layer of white glass. The light source might be an induction lighting unit including a high frequency generator and might be associated with a supporting structure.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: July 1, 2008
    Assignee: Metalumen Manufacturing Inc.
    Inventors: John Stanley Kasian, Arie Vryenhoek, Chau Qui Do, Radu Eugen Gafitanu, Martin Ferdinand Stocker, Sergei Paul Holoduke