Patents by Inventor Herve Y. Pignerol

Herve Y. Pignerol 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).

  • High pressure piston sealing system and method of its assembly
    Patent number: 5113747
    Abstract: The present invention relates to a high pressure piston sealing system. More particularly, the present invention relates to a sealing system adopted for rigorous marine applications which prevent or inhibit the use of a seal lubricant.
    Type: Grant
    Filed: May 1, 1991
    Date of Patent: May 19, 1992
    Inventor: Herve Y. Pignerol