Patents by Inventor Sabine FIGGE

Sabine FIGGE 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).

  • Sleeve holder for a hydraulic cylinder
    Patent number: 10385888
    Abstract: A hydraulic cylinder is disclosed. The hydraulic cylinder may have an outer cylindrical tube including an open end, a first female threaded portion, and a second female threaded portion. The hydraulic cylinder may also have a movable element received in the outer cylindrical tube through the open end. Further, the hydraulic cylinder may have a sleeve holder engaged with the first female threaded portion to seal an annular space between the outer cylindrical tube and the movable element. The sleeve holder may have a first male threaded portion mating with the first female threaded portion. In addition, the hydraulic cylinder may have a locking ring engaged with the second female threaded portion to secure the sleeve holder to the outer cylindrical tube. The locking ring may have a second male threaded portion mating with the second female threaded portion.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: August 20, 2019
    Assignee: Caterpillar Global Mining Europe GmbH
    Inventors: Christian Knoblich, Lothar Markowski, Sabine Figge, Jaroslaw Werner
  • SLEEVE HOLDER FOR A HYDRAULIC CYLINDER
    Publication number: 20170108016
    Abstract: A hydraulic cylinder is disclosed. The hydraulic cylinder may have an outer cylindrical tube including an open end, a first female threaded portion, and a second female threaded portion. The hydraulic cylinder may also have a movable element received in the outer cylindrical tube through the open end. Further, the hydraulic cylinder may have a sleeve holder engaged with the first female threaded portion to seal an annular space between the outer cylindrical tube and the movable element. The sleeve holder may have a first male threaded portion mating with the first female threaded portion. In addition, the hydraulic cylinder may have a locking ring engaged with the second female threaded portion to secure the sleeve holder to the outer cylindrical tube. The locking ring may have a second male threaded portion mating with the second female threaded portion.
    Type: Application
    Filed: March 27, 2015
    Publication date: April 20, 2017
    Applicant: Caterpillar Global Mining Europe GmbH
    Inventors: Christian KNOBLICH, Lothar MARKOWSKI, Sabine FIGGE, Jaroslaw WERNER