Patents by Inventor Anatolij I. Retschkin

Anatolij I. Retschkin 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).

  • Backing strip for welding technology
    Patent number: 5451741
    Abstract: The invention provides a backing strip for welding technology which can be adapted to a large variety of welding methods and applications and is fully effective also in non-horizontal positions. This is obtained in that the more easily meltable forming layer (1) and the less easily meltable base layer (2) of a flexible thread structure of inorganic fibers are connected to form a flat band by binding the threads (10;20) into a two-layered unitary fabric structure.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: September 19, 1995
    Assignee: Leslot Industriebedarf GmbH
    Inventors: Jurij V. Doronin, Anatolij I. Retschkin