Patents by Inventor Marek Raczko

Marek Raczko 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).

  • Check valve
    Patent number: 8776831
    Abstract: A check valve (10), including a valve membrane (12), which includes an umbrella-like closing body (14), which in a closed position abuts a housing body (5) in such a way that the closing body prevents the passage of a medium through passage holes (26) provided in the valve body (16), the closing body lifting off the housing body in an open position in order to allow a medium to pass through the passage holes. In the open position and/or closed position the closing element is clamped between the valve body and the housing body at least at one point (31, 32).
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: July 15, 2014
    Assignee: Magna Powertrain Hueckeswagen GmbH
    Inventors: Noriyki Otsuka, Marcel Walder, Marek Raczko, Alexander Freiburg
  • Check Valve
    Publication number: 20120244019
    Abstract: A check valve (10), including a valve membrane (12), which includes an umbrella-like closing body (14), which in a closed position abuts a housing body (5) in such a way that the closing body prevents the passage of a medium through passage holes (26) provided in the valve body (16), the closing body lifting off the housing body in an open position in order to allow a medium to pass through the passage holes. In the open position and/or closed position the closing element is clamped between the valve body and the housing body at least at one point (31, 32).
    Type: Application
    Filed: November 23, 2010
    Publication date: September 27, 2012
    Applicant: IXETIC HUECKESWAGEN GMBH
    Inventors: Noriyki Otsuka, Marcel Walder, Marek Raczko, Alexander Freiburg