Patents by Inventor David MARKHEISER

David MARKHEISER 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).

  • Control cylinder for a control valve and control valve comprising such a control cylinder
    Publication number: 20170234440
    Abstract: A control cylinder for a control valve, the control cylinder including a main body having through-openings. To optimize the flow and to reduce cavitation, the through-openings have an inside wall with a curved, oblique or conical profile and/or with edges and/or undercuts.
    Type: Application
    Filed: February 9, 2017
    Publication date: August 17, 2017
    Applicant: VAG - Armaturen GmbH
    Inventors: Andreas DETMERS, David MARKHEISER, Carl SCHULZ