Patents by Inventor Patrick WITTECK

Patrick WITTECK 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).

  • CONNECTION DEVICE FOR THE CONNECTION OF CANTILEVER SEGMENTS OF A CANTILEVER OF A TOWER CRANE
    Publication number: 20260338214
    Abstract: A connection device for connecting cantilever segments of a cantilever tower crane includes at least one connection bolt with a first fastening part for fastening to a first pressure plate of a first cantilever segment and a second fastening part for fastening to a second pressure plate of a second cantilever segment. The first fastening member includes a releasable, twist-proof connecting means for fastening to the first pressure plate, and the second fastening part includes a centering mandrel for fastening to the second pressure plate, which has a radial, continuous, securing slot for receiving a plug-in part; a centering sleeve for inserting into a corresponding through-opening in the second pressure plate, which has an internal cross-section for positively receiving the second fastening part.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 29, 2026
    Applicant: Wolffkran Holding AG
    Inventors: Thomas Heidrich, Björn-Philipp Hessenmüller, Steffen Hildenbrand, Wolfgang Ingelfinger, Stefan Reinhard, Patrick Witteck
  • Valve assembly for a multi-scroll turbine
    Patent number: 11434813
    Abstract: The invention relates to a valve assembly (100) for a multi-scroll turbine (10) for controlling an overflow of exhaust gases between a first spiral (36) and a second spiral (38) and for controlling a bypass opening (50). The valve assembly 100 comprises a lever (110) and a valve closing element (120) which is operatively connected to the lever (110). Furthermore, the valve assembly (100) comprises a spring element (130) which is designed to pre-bias the valve closing element (120) the against lever (110).
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: September 6, 2022
    Assignee: BorgWarner Inc.
    Inventors: Stefan Ebert, Ondrej Cempirek, Ivan Injac, Patrick Witteck, Jason Robert Walkingshaw
  • VALVE ASSEMBLY FOR A MULTI-SCROLL TURBINE
    Publication number: 20210033022
    Abstract: The invention relates to a valve assembly (100) for a multi-scroll turbine (10) for controlling an overflow of exhaust gases between a first spiral (36) and a second spiral (38) and for controlling a bypass opening (50). The valve assembly 100 comprises a lever (110) and a valve closing element (120) which is operatively connected to the lever (110). Furthermore, the valve assembly (100) comprises a spring element (130) which is designed to pre-bias the valve closing element (120) the against lever (110).
    Type: Application
    Filed: February 22, 2019
    Publication date: February 4, 2021
    Inventors: Stefan EBERT, Ondrej CEMPIREK, Ivan INJAC, Patrick WITTECK, Jason Robert WALKINGSHAW