Patents by Inventor Manfred Hofman

Manfred Hofman 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).

  • Pretensionable and hydraulically damped mounting element
    Patent number: 4700934
    Abstract: A pretensionable and hydraulically damped mounting element with an outer mounting sleeve, and an inner part which is held by an elastomeric body in the interior of the outer mounting sleeve, the elastomeric body above and below the inner part being formed with chambers serving as a mechanical spring and being filled with hydraulic fluid and connected to one another via a channel includes end caps located at respective end faces of the mounting element and being formed of elastic, deformable elastomeric material, the elastomeric body extending from the inner part substantially radially outwardly towards opposite sides of the outer mounting sleeve, the elastomeric body and at least one of the end caps defining the channel therebetween, the channel having a varying cross section.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: October 20, 1987
    Assignee: Metzeler Kautschuk GmbH
    Inventors: Rainer Andra, Manfred Hofman