Patents by Inventor Joseph Stockhammer

Joseph Stockhammer 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).

  • Watercraft having a four stroke engine with a supercharger
    Patent number: 7552721
    Abstract: A personal watercraft is disclosed with a hull, a seating assembly, and a four stroke internal combustion engine below the seating assembly. The engine has at least one intake valve for each of the combustion cylinder chambers, at least one exhaust valve for each of the combustion cylinder chambers, and a valve actuation assembly located in a cylinder head for operating the intake and exhaust valves. At least one air intake passageway is operatively coupled to the combustion cylinder chambers through the intake valves. An air intake manifold is connected to the cylinder head and operatively connected to the at least one air intake passageway. The engine also has a supercharger for boosting air to the air intake manifold. The watercraft also includes a propulsion unit, operatively coupled to the crankshaft, which is located on one end of the two ends of the crankcase.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: June 30, 2009
    Assignee: BRP-Powertrain GmbH & Co KG
    Inventors: Alois Wolfsgruber, Rudolf Tscherne, Joseph Stockhammer, Markus Hochmayr
  • Watercraft Having a Four Stroke Engine with a Supercharger
    Publication number: 20070068465
    Abstract: A personal watercraft is disclosed with a hull, a seating assembly, and a four stroke internal combustion engine below the seating assembly. The engine has at least one intake valve for each of the combustion cylinder chambers, at least one exhaust valve for each of the combustion cylinder chambers, and a valve actuation assembly located in a cylinder head for operating the intake and exhaust valves. At least one air intake passageway is operatively coupled to the combustion cylinder chambers through the intake valves. An air intake manifold is connected to the cylinder head and operatively connected to the at least one air intake passageway. The engine also has a supercharger for boosting air to the air intake manifold. The watercraft also includes a propulsion unit, operatively coupled to the crankshaft, which is located on one end of the two ends of the crankcase.
    Type: Application
    Filed: July 10, 2006
    Publication date: March 29, 2007
    Applicant: BRP-ROTAX GMBH & CO. KG
    Inventors: Alois Wolfsgruber, Rudolf Tscherne, Joseph Stockhammer, Markus Hochmayr