Patents by Inventor Alexandra Dmitrievna Terenina

Alexandra Dmitrievna Terenina 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).

  • Multiple-stage centrifugal compressor
    Patent number: 3976395
    Abstract: A multiple-stage centrifugal compressor without a horizontal joint wherein the stator consists of a package of interconnected diaphragms with cylindrical holes for the installation of the labyrinth seal holders. The cylindrical holes vary in diameter along the longitudinal axis of the compressor, said diameter increasing in steps towards end of the diaphragm package.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: August 24, 1976
    Inventors: Igor Martynovich Kalnin, Beniamin Lvovich Tsirlin, Elena Zalmanovna Bukhter, Alexandra Dmitrievna Terenina, Galina Ivanovna Eremkina, Andrei Ivanovich Poteiko, Khanon Yakovlevich Breslov