Patents by Inventor Michael SCHINDEL

Michael SCHINDEL 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).

  • Tubular handling apparatus
    Patent number: 11162308
    Abstract: A tubular handling assembly includes a mandrel; a plurality of gripping elements for gripping a tubular, the plurality of gripping elements coupled to and rotatable with the mandrel; one or more accumulators; a first actuator configured to supply fluid to the one or more accumulators; and a second actuator configured to receive fluid from at least one of the one or more accumulators and to actuate the plurality of gripping elements.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: November 2, 2021
    Assignee: Weatherford Technology Holdings, LLC
    Inventors: Igor Stankovic, Martin Helms, Michael Schindel, Thomas Kotschy, Christian Kiess
  • TUBULAR HANDLING APPARATUS
    Publication number: 20200181991
    Abstract: A tubular handling assembly includes a mandrel; a plurality of gripping elements for gripping a tubular, the plurality of gripping elements coupled to and rotatable with the mandrel; one or more accumulators; a first actuator configured to supply fluid to the one or more accumulators; and a second actuator configured to receive fluid from at least one of the one or more accumulators and to actuate the plurality of gripping elements.
    Type: Application
    Filed: December 5, 2018
    Publication date: June 11, 2020
    Inventors: Igor STANKOVIC, Martin HELMS, Michael SCHINDEL, Thomas KOTSCHY, Christian KIESS