Patents by Inventor Larisa M. Bakhvalova, administrator

Larisa M. Bakhvalova, administrator 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).

  • Pressing branch pipe on thick-walled shell-device for realization thereof
    Patent number: 4246772
    Abstract: The method consists in flanging the wall of a thick-walled shell around a hole made in said wall in adavance until a branch pipe is produced, in calibrating said shell on the inside surface adjoining the branch pipe, and simultaneous straightening of the thick-walled shell on its outside surface in the direction of the longitudinal axis of the branch pipe from the side opposite to the location of said branch pipe.
    Type: Grant
    Filed: July 19, 1978
    Date of Patent: January 27, 1981
    Inventors: Evgeny N. Moshnin, Nikolai I. Romashko, Leonid V. Prozorov, Nikolai N. Zorev, Oleg V. Scherba, Viktor A. Odnodushny, Nikolai I. Zhiltsov, Lev A. Rabinovich, Lev V. Tupitsyn, Konstantin P. Alexeev, Boris P. Kukushkin, Jury V. Brjukhanov, Boris A. Trifonov, Vyacheslav A. Morozov, Gennady V. Rudyak, Sergei K. Bakhvalov, deceased, Larisa M. Bakhvalova, administrator