Patents by Inventor STEFFEN ERHARDT

STEFFEN ERHARDT 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 rotary feed-through
    Patent number: 11248621
    Abstract: A hydraulic rotary feed-through with a neck which is accommodated in a housing via a bearing arrangement and through a pressurized fluid line extends to a pressure space with a seal arrangement provided axially between the pressure space and the bearing arrangement, the bearing arrangement and the seal arrangement are disposed in frames which are accommodated in the housing axially engaged with one another under pressure.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: February 15, 2022
    Assignee: IE ASSETS GMBH + CO. KG
    Inventors: Steffen Erhardt, Karl Haegele, Markus Lechler
  • HYDRAULIC ROTARY-FEED THROUGH
    Publication number: 20200040905
    Abstract: A hydraulic rotary feed-through with a neck which is accommodated in a housing via a bearing arrangement and through a pressurized fluid line extends to a pressure space with a seal arrangement provided axially between the pressure space and the bearing arrangement, the bearing arrangement and the seal arrangement are disposed in frames which are accommodated in the housing axially engaged with one another under pressure.
    Type: Application
    Filed: September 11, 2019
    Publication date: February 6, 2020
    Applicant: IE ASSETS GMBH & CO. KG
    Inventors: STEFFEN ERHARDT, KARL HAEGELE, MARKUS LECHLER