Patents by Inventor Detlef Lohmann

Detlef Lohmann 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).

  • Air spring module for a damper
    Patent number: 5180144
    Abstract: An air spring module is constructed and arranged to be removably mounted between a damper and a vehicular body. The module includes a bored contact piston which is slip fitted over a reciprocable piston rod of the damper. A retaining ring releasably locks the contact piston to the damper, and O-ring seals provide a seal between the contact piston and the damper. An air sleeve is secured at its lower end to the contact piston and is secured at its upper end to a canister. A bearing assembly and mount rotationally and removably secures the canister to the body.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: January 19, 1993
    Assignee: General Motors Corporation
    Inventors: Richard A. Hellyer, James R. Wagner, James M. Pees, Detlef Lohmann