Patents by Inventor Christian Baerwolff

Christian Baerwolff 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).

  • Shock-proof hydraulic cylinder
    Patent number: 6283008
    Abstract: The invention relates to a shockproof hydraulic cylinder that has a cylinder housing (1), in which a plunger (4) that is driven via a plunger shaft (10) is arranged to move axially, and optionally a hollow-cylinder damping plunger (11). Using different embodiments, an end-position damping is carried out on one or both sides. Plunger shaft (10), plunger (4) and damping plunger (11) can be designed in a hollow-cylinder form.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: September 4, 2001
    Assignee: Still GmbH
    Inventors: Peter Schönewald, Christian Baerwolff, Heniz Gaffke