Patents by Inventor Sigrid Straessler

Sigrid Straessler 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).

  • Liquid drug delivery micropump
    Publication number: 20070071596
    Abstract: A pump system for the subcutaneous delivery of a liquid medicament, having a pump module (10) comprising a stator housing (28) with a chamber (30), a rotor (32) rotatably and axially slidably received in the chamber and comprising a first axial extension (46) with a liquid supply channel (50) and a second axial extension with a liquid supply channel (52), the first and second axial extensions having different diameters, and first and second sealing rings (54, 56), mounted around the first and second axial extensions.
    Type: Application
    Filed: October 15, 2004
    Publication date: March 29, 2007
    Inventors: Peter Ryser, Sigrid Straessler