Patents by Inventor Karl-Heinz Wesslau

Karl-Heinz Wesslau 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).

  • Patent number: 3989232
    Abstract: An air damped seating particularly for devices and vehicles comprising a control chamber, an air chamber, both of variable volume, and a damping duct. The control chamber is provided with an air inlet flange and a valve, and is connected to the air chamber by a connection pipe. The damping duct is connected with one end portion to an air outlet opening of the air chamber and is tightly sealed on its other end portion. The length of the duct is defined by its radius, the excitation frequency of the oscillation to be damped, and by the mass to be damped, which is in connection with the chambers.
    Type: Grant
    Filed: April 11, 1975
    Date of Patent: November 2, 1976
    Assignee: Jenoptik Jena G.m.b.H.
    Inventors: Manfred Steinbach, Karl-Heinz Wesslau