Patents by Inventor Dieter Beinsen

Dieter Beinsen 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).

  • Patent number: 4059113
    Abstract: Vacuum aspirator for medical use of the kind which is required to be sterilized by steam and then evacuated so as to be ready for use. Object of the invention is to provide an aspirator which is suitable for repeated use and re-sterilization. The aspirator is provided with an outwardly-opening, non-return valve which may be in a closure plug of a flask of the aspirator or mounted at or inserted in the end of a suction connection remote from the flask of the aspirator.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: November 22, 1977
    Inventors: Dieter Beinsen, Otto Kribitzneck