Patents by Inventor Jan M. Kreye

Jan M. Kreye 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).

  • Piston pump having push rod assembly and stopping assembly
    Patent number: 10385846
    Abstract: A stopping assembly of a piston pump is disclosed. The stopping assembly includes a base portion having an inner surface for movably receiving a push rod assembly of the piston pump and an outer surface opposite to the inner surface engaged with a housing of the piston pump. The stopping assembly also includes a plurality of protruded structures adjacently disposed on the base portion forming a plurality of grooves extending from the inner surface towards the outer surface to allow fluid to flow towards the outer surface.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: August 20, 2019
    Assignee: Caterpillar Motoren GmbH & Co. KG
    Inventor: Jan M. Kreye
  • PISTON PUMP HAVING PUSH ROD ASSEMBLY AND STOPPING ASSEMBLY
    Publication number: 20180100501
    Abstract: A stopping assembly of a piston pump is disclosed. The stopping assembly includes a base portion having an inner surface for movably receiving a push rod assembly of the piston pump and an outer surface opposite to the inner surface engaged with a housing of the piston pump. The stopping assembly also includes a plurality of protruded structures adjacently disposed on the base portion forming a plurality of grooves extending from the inner surface towards the outer surface to allow fluid to flow towards the outer surface.
    Type: Application
    Filed: October 6, 2017
    Publication date: April 12, 2018
    Applicant: Caterpillar Motoren GmbH & Co. KG
    Inventor: Jan M. Kreye