Patents by Inventor Christoph V. Hiller

Christoph V. Hiller 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).

  • Internal combustion engine having an elastic connecting duct
    Patent number: 8516989
    Abstract: An internal combustion engine of a manually operated implement, having an elastic connecting duct between the engine and an air filter for vibration-decoupled bridging of a vibration gap between engine and the air filter. The elastic connecting duct has a first conduit for fuel/air mixture and a second conduit for largely fuel-free air. The first and second conduits are separate tubes having respective bores that are separated from one another over their entire lengths, the inlet of the engine is operatively connected to the air filter via the first conduit, and an air duct window of the engine is operatively connected to the air filter via the second conduit.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: August 27, 2013
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Olaf Schmidt, Christoph V. Hiller, Reinhard Friedrich, Michael Joos, Jens Kern, Helmut Schlessmann