Patents by Inventor Heinz Sell

Heinz Sell 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).

  • Lamp filament
    Publication number: 20080018219
    Abstract: A base-up incandescent lamp (10) includes a coiled-coil filament (14) that has a primary wire (18) and a secondary wire (16), the primary wire (18) comprising an overwind that overlies the secondary wire (16) and provides a lower filament temperature and, therefore, less filament sag and a concomitant longer lamp life.
    Type: Application
    Filed: May 17, 2006
    Publication date: January 24, 2008
    Applicant: OSRAM SYLVANIA INC.
    Inventors: Jason Li, Alexander Kasak, Heinz Sell, Alan Lenef, Raymond Fleming, Richard Laird, Matthew Winningham
  • Multi-segment filament high output halogen lamp
    Publication number: 20050156501
    Abstract: A high output halogen lamp having five filament segments with four segments in a circular arrangement surrounding a fifth segment positioned directly in the center of the lamp axis which contributes to the high output and a more uniform light distribution.
    Type: Application
    Filed: February 24, 2005
    Publication date: July 21, 2005
    Applicant: OSRAM SYLVANIA INC.
    Inventors: Alexander Kasak, Victor Cabrales, Heinz Sell, Michael Willacker