Patents by Inventor Dmitry Danilovich Logvinenko

Dmitry Danilovich Logvinenko 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).

  • Apparatus for continuous preparation of a suspension
    Patent number: 4093189
    Abstract: The apparatus comprises a housing mounted on a framework and accommodating therein an annular inductor encircling a mixing chamber and adapted to create a rotating electromagnetic field in said chamber. Ferromagnetic particles are present in the mixing chamber. The mixing chamber communicates from above with a charging device including a feed screw continuously supplying solid components of the suspension directly into the chamber; liquid components of the suspension are fed into the chamber through the hollow shaft of the feed screw. Connected from below to the mixing chamber is one end of an S-shaped conduit acting as a discharge device. The apparatus provides rapid and effective mixing of the components of the suspension.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: June 6, 1978
    Inventors: Iosif Borisovich Sokol, Nina Vladimirovna Katysheva, Vladimir Mikhailovich Belyaev, Dmitry Danilovich Logvinenko, Ekaterina Alexandrovna Morozko, Boris Alexeevich Pepelin, Viktor Alexeevich Prudovoi
  • Method of producing inorganic pigments
    Patent number: 3969129
    Abstract: A method, wherein an electromagnetic field is established in which a precipitate of pigments is formed from aqueous solutions of the salts of metals in the presence of ferromagnetic solids, whereupon the precipitate is treated to obtain a finished form of pigment.
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: July 13, 1976
    Inventors: Zinaida Alexandrovna Savenkova, Dmitry Danilovich Logvinenko, Karl Lazarevich Tsantker, Oleg Porfirievich Shelyakov, Alexandra Pavlovna Manzhely, Gennady Grigorievich Bobrov, Genrikh Samuilovich Ioffe, Boris Vasilievich Mironov, Pavel Iosifovich Kestelman, Galina Vasilievna Egorycheva