Patents by Inventor Philipp Fuhr

Philipp Fuhr 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).

  • Fluid-operated drive
    Patent number: 9903502
    Abstract: In a fluid-operated drive for a field device, the drive being designed to set a control valve of the field device, a fluidically operated basic drive is provided with a basic working chamber loaded fluidically and delimited by a basic drive housing part and by a basic actuating piston guided in the basic drive housing part. At least one supplementary drive is provided with a supplementary working chamber loaded fluidically and delimited by a supplementary drive housing part. The basic drive housing part and the supplementary drive housing part are displaceable in one another in accordance with a piston and chamber arrangement so that a volume of the supplementary chamber changes in the event of a relative movement of the drive housing parts.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: February 27, 2018
    Assignee: SAMSON AKTIENGESELLSCHAFT
    Inventors: Philipp Fuhr, Sebastian Krause, Christof Weigand
  • Fluid-operated drive
    Publication number: 20160178083
    Abstract: In a fluid-operated drive for a field device, the drive being designed to set a control valve of the field device, a fluidically operated basic drive is provided with a basic working chamber loaded fluidically and delimited by a basic drive housing part and by a basic actuating piston guided in the basic drive housing part. At least one supplementary drive is provided with a supplementary working chamber loaded fluidically and delimited by a supplementary drive housing part. The basic drive housing part and the supplementary drive housing part are displaceable in one another in accordance with a piston and chamber arrangement so that a volume of the supplementary chamber changes in the event of a relative movement of the drive housing parts.
    Type: Application
    Filed: December 23, 2015
    Publication date: June 23, 2016
    Applicant: Samson Aktiengesellschaft
    Inventors: Philipp Fuhr, Sebastian Krause, Christof Weigand