Patents by Inventor Christian Schwegmann

Christian Schwegmann 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).

  • Apparatus for controlling a fluid flow
    Patent number: 5713850
    Abstract: Apparatus for controlling a fluid flow includes a housing having a first fitting for connection of a tube and at least one further fitting for detachable securement of a coupling piece of a peritoneal catheter. Accommodated in the housing is a rotary valve which is indexable in predetermined positions to selectively establish a fluid communication between the fittings. Associated with one of the fittings is at least one closure member which is acted upon by the rotary valve for displacement in a radial direction to open and close a passage to the peritoneal catheter.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: February 3, 1998
    Assignee: Fresenius AG
    Inventors: Klaus Heilmann, Josef Herrmann, Claus Jessen, Helmut Schmidt, Christian Schwegmann, Michael Zimmermann