Patents by Inventor Michele C. Blokhuis

Michele C. Blokhuis 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).

  • Piezoelectric vibrator assembly
    Patent number: 5306981
    Abstract: A vibrator assembly for mounting on the bottom wall of a tank including a three-part insulating support housing including an outer support housing portion in the form of a nut which is located underneath the wall, a cap and intermediate support housing portion which is mounted with the cap above the wall and with the intermediate support housing portion below the wall and which threadably receives the nut, an inner support housing portion which is held by the nut within the intermediate support housing portion, with the inner support housing portion being part of a subassembly which includes a rubber vibrator support and electrodes and a vibrator and a rubber sealing insert all held within the inner support housing portion of the insulating support support housing and sealed therein by the tightening of the nut onto the intermediate support housing portion.
    Type: Grant
    Filed: December 22, 1992
    Date of Patent: April 26, 1994
    Assignee: Humonics International Inc.
    Inventors: Earl D. Martel, Michele C. Blokhuis