Patents by Inventor Jan-Christoph Wollmann

Jan-Christoph Wollmann 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).

  • Device for producing medicinal foam
    Patent number: 7963938
    Abstract: A device for producing medical foam, for example, a sclerosing agent, a diagnostic agent, a therapeutic agent, etc. The device comprises an active ingredient chamber and a gas chamber. Both chambers are respectively closed by a piston and connected to a foam generator. Both pistons are interconnected, especially by a connecting element, and can be displaced together, in order to supply the active ingredient and the gas to the foam producer.
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: June 21, 2011
    Assignee: Chemische Fabrik Kreussler & Co.
    Inventors: Jan-Christoph Wollmann, Dorothee Schliephake
  • Device for producing medicinal foam
    Publication number: 20060178620
    Abstract: A device for producing medical foam, for example, a sclerosing agent, a diagnostic agent, a therapeutic agent, etc. The device comprises an active ingredient chamber and a gas chamber. Both chambers are respectively closed by a piston and connected to a foam generator. Both pistons are interconnected, especially by a connecting element, and can be displaced together, in order to supply the active ingredient and the gas to the foam producer.
    Type: Application
    Filed: November 13, 2003
    Publication date: August 10, 2006
    Inventors: Jan-Christoph Wollmann, Dorothee Schliephake
  • Device for producing medicinal foam
    Publication number: 20060074386
    Abstract: A device for producing medicinal foam comprises a gas vessel for holding a sterile gas and an active agent vessel for holding an active agent. A connecting element connects both vessels. Further, a feeder for feeding the gas and the active agent back and forth between the two vessels is provided for producing the medicinal foam. The connecting element comprises a closure element for a sterile closure of one of the two vessels.
    Type: Application
    Filed: September 20, 2005
    Publication date: April 6, 2006
    Inventor: Jan-Christoph Wollmann