Patents by Inventor Oliver Schienbein

Oliver Schienbein 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).

  • Hydraulic system with variable fluid flow under pressure to fluid-operated consumers
    Patent number: 6772589
    Abstract: A hydraulic system includes at least two consumers, e.g., a closing unit and an injection unit of an injection molding machine. At least two displacement pumps are provided to produce a fluid flow under pressure to the consumers, whereby at least one control valve is provided for each of the consumers. At least one further valve is provided to control a fluid communication between the output sides of the displacement pumps, wherein at least one of the consumers is supplied with pressure from the outlet of the displacement pumps separately or together in groups.
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: August 10, 2004
    Assignee: Demag Ergotech Wiehe GmbH
    Inventors: Oliver Schienbein, Matthias Kanter
  • Hydraulic system with variable fluid flow under pressure to fluid-operated consumers
    Publication number: 20030037545
    Abstract: A hydraulic system includes at least two consumers, e.g., a closing unit and an injection unit of an injection molding machine. At least two displacement pumps are provided to produce a fluid flow under pressure to the consumers, whereby at least one control valve is provided for each of the consumers. At least one further valve is provided to control a fluid communication between the output sides of the displacement pumps, wherein at least one of the consumers is supplied with pressure from the outlet of the displacement pumps separately or together in groups.
    Type: Application
    Filed: August 14, 2002
    Publication date: February 27, 2003
    Applicant: DEMAG ERGOTECH WIEHE GMBH
    Inventors: Oliver Schienbein, Matthias Kanter