Patents by Inventor Ilias Tsolkas

Ilias Tsolkas 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).

  • Liquid level actuator
    Patent number: 4586532
    Abstract: An apparatus for sensing changes in liquid level in a reservoir and adjusting flow of liquid into the reservoir to maintain the level at a selected height, the apparatus including a base member, a liquid conduit mounted on the base member, an arm hingedly mounted on the base member proximate a delivery end of the conduit, a stopper fixed to the arm and arcuately moveable into and out of engagement with the conduit delivery end, and a flotation body fixed to a free end of the arm and adapted to be engaged by the liquid in the reservoir.
    Type: Grant
    Filed: July 31, 1985
    Date of Patent: May 6, 1986
    Inventor: Ilias Tsolkas
  • Liquid level control valve
    Patent number: D292821
    Type: Grant
    Filed: July 31, 1985
    Date of Patent: November 17, 1987
    Inventor: Ilias Tsolkas
  • Liquid level control value
    Patent number: D292822
    Type: Grant
    Filed: July 31, 1985
    Date of Patent: November 17, 1987
    Inventor: Ilias Tsolkas
  • Angle indicator
    Patent number: D296085
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: June 7, 1988
    Inventor: Ilias Tsolkas