Patents by Inventor Gottfried Recktenwald

Gottfried Recktenwald 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).

  • Drip chamber and/or expansion chamber with integral filter
    Patent number: 5489385
    Abstract: Drip chambers and expansion chambers for the transfer of blood are disclosed, including a housing, an entry port in the upper portion of the housing, an exit port in the lower portion of the housing, and at least one filter integral with either the upper or lower housing portions. Methods for manufacturing these chambers are also disclosed.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: February 6, 1996
    Assignee: Gambro Dialysatoren GmbH & Co. KG
    Inventors: Herbert Raabe, Gottfried Recktenwald