Patents by Inventor Lawrence J. Hasslinger

Lawrence J. Hasslinger 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).

  • Automatic control incorporated within lawn watering systems
    Patent number: 5826792
    Abstract: An electrically operated water control valve is interposed in a sprinkler water line extending from a building structure and which is controlled by an air temperature sensor so that the water control valve will be turned off when the air temperature drops to a predetermined level and so that the water control valve will be turned on when the air temperature rises to a predetermined level.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: October 27, 1998
    Inventor: Lawrence J. Hasslinger