Patents by Inventor Leroy F. Stavinoha

Leroy F. Stavinoha 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).

  • Protective cover for fiberoptic scanner head
    Patent number: 5521697
    Abstract: A new and improved inner tip or head is provided for a fiberoptic scanner mechanism of the type monitoring the presence of flame in a boiler furnace. The scanner tip according to the present invention is more easily installed and removed. It also reduces the transfer of heat from the furnace to the fiberoptic scanner.
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: May 28, 1996
    Assignee: Houston Industries Incorporated
    Inventor: Leroy F. Stavinoha
  • Test assembly for flue gas monitors
    Patent number: 5195356
    Abstract: An assembly is provided for mounting on a flue or exhaust stack conveying combustion gases from a furnace. The assembly permits periodic calibration of a cross-duct flue gas analyzer which senses the flue gas concentrations in the combustion gases. The gas analyzer is calibrated while in place without requiring its removal from service.
    Type: Grant
    Filed: July 11, 1991
    Date of Patent: March 23, 1993
    Assignee: Houston Industries Incorporated
    Inventor: Leroy F. Stavinoha