Patents by Inventor Tobias Lippa

Tobias Lippa 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).

  • AUTOMATIC PRESSURE RELEASE
    Publication number: 20230366177
    Abstract: A controller for hydraulic system of a work machine is provided. The controller is configured to perform a worktool disconnect routine to reduce pressure in a first worktool line and a second worktool line of the hydraulic system. The hydraulic system comprises a spool valve, a first worktool port connected to the spool valve by the first worktool line, a second worktool port connected to the spool valve by the second worktool line, a high pressure flow source of hydraulic fluid connected to the spool valve by a high pressure line and a low pressure tank line connected to the spool valve, the low pressure tank line at a lower pressure than a pressure of the high pressure line.
    Type: Application
    Filed: March 25, 2021
    Publication date: November 16, 2023
    Applicant: Caterpillar Work Tools B.V
    Inventors: James Edward HUMPHREY, Sebastian JACOB, Tobias LIPPA
  • Control system and method for a machine
    Patent number: 10323389
    Abstract: A control system for a work machine having an upper frame rotatably mounted to a lower frame includes a controller configured to limit a maximum speed of the machine when a rotation angle between the upper frame and the lower frame exceeds a first predetermined value.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: June 18, 2019
    Assignee: Caterpillar Inc.
    Inventors: Lindsay Rees, Tobias Lippa, Thomas Spindler
  • CONTROL SYSTEM AND METHOD FOR A MACHINE
    Publication number: 20170292249
    Abstract: A control system for a work machine having an upper frame rotatably mounted to a lower frame includes a controller configured to limit a maximum speed of the machine when a rotation angle between the upper frame and the lower frame exceeds a first predetermined value.
    Type: Application
    Filed: March 27, 2017
    Publication date: October 12, 2017
    Applicant: Caterpillar Inc.
    Inventors: Lindsay Rees, Tobias Lippa, Thomas Spindler