Patents by Inventor Vladimir V. Melnik

Vladimir V. Melnik 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).

  • Instantaneous calender device with spring and tappet mounted on rotary shifter
    Patent number: 4372687
    Abstract: An instantaneous calendar device is disclosed.The instantaneous calendar device comprises a stationary part, for example, a bridge, a date ring, a day disk, a rotary shifter, and an actuator. The rotary shifter operates the date ring and the day disk. The actuator is composed of a spring, a tappet, and a calendar wheel coaxial with a cam. The cam of the actuator is rigidly secured to the stationary part of the device, whereas the tappet and the spring are mounted on the rotary shifter.
    Type: Grant
    Filed: February 23, 1980
    Date of Patent: February 8, 1983
    Inventors: Boris P. Krasovsky, Vladimir V. Melnik, Daniel D. Malkin