Patents by Inventor Lev V. Tupitsyn

Lev V. Tupitsyn 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
  • Steel for atomic reactor vessels
    Patent number: 4212668
    Abstract: A steel containing in percent by weight:______________________________________ carbon from 0.13 to 0.8 silicon from 0.15 to 0.3 manganese from 0.3 to 0.6 chromium from 1.6 to 2.5 nickel from 1.0 to 2.0 molybdenum from 0.5 to 0.7 vanadium from 0.01 to 0.12 copper from 0.01 to 0.05 antimony from 0.0005 to 0.009 tin from 0.0005 to 0.009 phosphorus from 0.001 to 0.005 arsenic from 0.0005 to 0.002 iron, the balance, ______________________________________the total amount of phosphorus and arsenic contained in said composition is expressed by the following relationship:P+5As.ltoreq.1.10.sup.-2 wt.%.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: July 15, 1980
    Inventors: Nikolai N. Zorev, Vladimir A. Tsykanov, Igor V. Gorynin, Lev V. Tupitsyn, Georgy P. Fedortsov-Lutikov, Anatoly A. Astafiev, Vladimir S. Dub, Oleg M. Vishkarev, Alexandr S. Loboda, Iraida I. Kalugina, Nikolai N. Kobelev, Valentin V. Krasinsky, Valery A. Litvak, Evgeny F. Davydov, Valentin K. Shamardin, Jury F. Balandin, Vladimir A. Nikolaev, Jury V. Sobolev, Anatoly M. Parshin, Vladimir I. Badanin