Patents by Inventor Peter V. Dembowski

Peter V. Dembowski 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).

  • Fluorescent lamp with cathode heat switches
    Patent number: 4517493
    Abstract: A rapid start fluorescent lamp comprising a pair of cathode mounts each having a pair of lead-in wires for cathode heating current, and a thermal switch to turn off the heating current after sufficient cathode heating for the lamp to operate. A third lead-in wire in each mount bypasses the thermal switch and is used for heating the cathodes to activate them during manufacturing.
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: May 14, 1985
    Assignee: General Electric Company
    Inventors: Peter V. Dembowski, Quentin D. Dobras
  • Method of creating a controlled interior surface configuration of passages within a substrate
    Patent number: 4383854
    Abstract: A method of creating a controlled interior surface configuration of passages within a substrate, particularly cooling passages of nozzles or buckets of a gas turbine, involves the hot isostatic pressing of a leachable passage insert whose surface carries the female image of the desired interior surface configuration inside the substrate followed by leaching of the insert from the substrate.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: May 17, 1983
    Assignee: General Electric Company
    Inventors: Peter V. Dembowski, Peter W. Schilke