Patents by Inventor Hansjürgen RIGGENMANN

Hansjürgen RIGGENMANN 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 sample handling
    Patent number: 8899101
    Abstract: A sampler (10), in particular for use in testing the dissolution behavior of pharmaceutical products, wherein the sampler (10) comprises: a vial holder (20) for accommodating a plurality of vials (22a, 22b); a sampling needle assembly (30) with a plurality of sampling needles, wherein the sampling needle assembly (30) and the vial holder (20) may be moved relative to one another in such a way that the sampling needles of the sampling needle assembly (30) may be inserted into the vials of the vial holder (20); and a pump unit (40) with a plurality of diaphragm pumps (42a, 42b) which are designed to convey a fluid via the sampling needle assembly to the vials in the vial holder (20) and to withdraw a fluid therefrom.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: December 2, 2014
    Assignee: Riggtek GmbH
    Inventor: Hansjürgen Riggenmann
  • APPARATUS FOR SAMPLE HANDLING
    Publication number: 20110197661
    Abstract: A sampler (10), in particular for use in testing the dissolution behavior of pharmaceutical products, wherein the sampler (10) comprises: a vial holder (20) for accommodating a plurality of vials (22a, 22b); a sampling needle assembly (30) with a plurality of sampling needles, wherein the sampling needle assembly (30) and the vial holder (20) may be moved relative to one another in such a way that the sampling needles of the sampling needle assembly (30) may be inserted into the vials of the vial holder (20); and a pump unit (40) with a plurality of diaphragm pumps (42a, 42b) which are designed to convey a fluid via the sampling needle assembly to the vials in the vial holder (20) and to withdraw a fluid therefrom.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 18, 2011
    Inventor: Hansjürgen RIGGENMANN