Patents by Inventor Delroy O. Walker

Delroy O. Walker 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).

  • Method and apparatus for cooling electrodeless lamps
    Patent number: 5021704
    Abstract: Apparatus for cooling the lamp envelope of an electrodeless lamp which includes a conduit for carrying cooling gas into the vicinity of the lamp envelope and directing the cooling gas towards the lamp envelope through a slotted orifice in a wall of the conduit. The slotted orifice is preferably oriented with its long dimension substantially perpendicular to the conduct orifice and substantially parallel to the axis of a rotating lamp envelope.
    Type: Grant
    Filed: February 21, 1990
    Date of Patent: June 4, 1991
    Assignee: Fusion Systems Corporation
    Inventors: Delroy O. Walker, Demetri P. Telionis
  • Probe for a radiometer
    Patent number: 4772124
    Abstract: An instrument for measuring radiation including a probe for collecting light. The probe includes a diffusive reflective surface at the forward end of the probe and an aperture block containing a pair of apertures to direct light reflected from the reflector to an optical waveguide and then to a light sensor and display unit.
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: September 20, 1988
    Assignee: Fusion Systems Corporation
    Inventors: Robert D. Wooten, Delroy O. Walker, James D. Hill