Patents by Inventor Slavco A. Kopachkov

Slavco A. Kopachkov 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).

  • Machine for applying liquid to absorbent material
    Patent number: 4068614
    Abstract: Liquid is applied to absorbent material, preferably menthol solution to foil-backed paper for use in packaging menthol cigarettes, in uniform and controlled manner.
    Type: Grant
    Filed: May 7, 1976
    Date of Patent: January 17, 1978
    Assignee: Rothmans of Pall Mall Canada Limited
    Inventor: Slavco A. Kopachkov
  • Locking mechanism
    Patent number: 4037804
    Abstract: A locking mechanism for releasably mounting a reel of material on a hub includes a sun gear wheel mounted on an axial shaft and three planetary gear wheels meshing with the sun gear wheel and mounted on shafts rotatable about axes parallel to the axial shaft. Cylindrical gripping members are eccentrically mounted on the latter shafts for projection and retraction from the hub surface on actuation of the mechanism.
    Type: Grant
    Filed: June 23, 1976
    Date of Patent: July 26, 1977
    Assignee: Rothmans of Pall Mall Canada Limited
    Inventor: Slavco A. Kopachkov