Patents by Inventor Michel Champrenault

Michel Champrenault 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).

  • Hydraulic anti-vibration sleeve
    Patent number: 6666437
    Abstract: An anti-vibration sleeve comprising inner and outer strength members, an elastomer body connecting the strength members together and forming two hydraulic chambers, and a C-shaped intermediate member which is snap-fitted around the elastomer body and clamped between the elastomer body and the outer strength member, the intermediate member forming a throttled passage which connects the two hydraulic chambers together.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: December 23, 2003
    Assignee: Paulstra CRC
    Inventors: Franck Larmande, Michel Champrenault
  • Hydraulic anti-vibration sleeve
    Publication number: 20030178754
    Abstract: An anti-vibration sleeve comprising inner and outer strength members, an elastomer body connecting the strength members together and forming two hydraulic chambers, and a C-shaped intermediate member which is snap-fitted around the elastomer body and clamped between the elastomer body and the outer strength member, the intermediate member forming a throttled passage which connects the two hydraulic chambers together.
    Type: Application
    Filed: March 25, 2002
    Publication date: September 25, 2003
    Inventors: Franck Larmande, Michel Champrenault