Patents by Inventor Alexander Sergeevich Trushin

Alexander Sergeevich Trushin 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).

  • PROGRESSIVE CAVITY HYDRAULIC MACHINE
    Publication number: 20110150686
    Abstract: This invention relates to machine-building, more specifically, to the design and manufacturing of positive displacement motors various embodiments of which are used for hydrocarbon production.
    Type: Application
    Filed: January 9, 2008
    Publication date: June 23, 2011
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Alexander Sergeevich Trushin, Jacques Orban