Patents by Inventor Walter V. Piulle

Walter V. Piulle 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).

  • Ionizer assembly having a bell-mouth outlet
    Patent number: 4692174
    Abstract: A high-intensity ionizer assembly having a Rogowski-shaped outlet. The ionizer assembly is adapted to be used with particle collection systems for pre-charging particulate matter entrained in a gas stream.
    Type: Grant
    Filed: November 1, 1983
    Date of Patent: September 8, 1987
    Inventors: Peter C. Gelfand, Walter V. Piulle, Louis F. Rettenmaier