Patents by Inventor Roland-Yves J. Leclerc

Roland-Yves J. Leclerc 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: 4525166
    Abstract: A suction drainage device is disclosed which comprises a receptacle communicated with a body cavity via an inlet tube. The receptacle is formed as a bellows, flat receptacle, foil or sheet bag, or foil or sheet tube and the like which can be folded or rolled up. A flexible check valve in the form of a foil or sheet valve, or flutter valve, is disposed inside the receptacle. The inlet tube is provided on a side of one edge of the receptacle so that the receptacle can be rolled up over a long roll path without interference from the valve. The device can be manufactured at low cost.
    Type: Grant
    Filed: November 18, 1982
    Date of Patent: June 25, 1985
    Assignee: Intermedicat GmbH
    Inventor: Roland-Yves J. Leclerc