Patents by Inventor Ronald Dryla

Ronald Dryla 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).

  • Programmable water valve
    Patent number: 3978887
    Abstract: A programmable water valve is provided wherein a twenty-four hour electric time controls the operation of a solenoid actuated valve. An interval of time is selectable in each day for actuation of the valve. In order to provide operation of the valve on alternate days a dividing circuit is used and a selector is provided to select either daily or alternate day operation. An indicator light is provided to indicate when the valve is actuated.
    Type: Grant
    Filed: April 7, 1975
    Date of Patent: September 7, 1976
    Assignee: Lawrence Peska Associates, Inc.
    Inventor: Ronald Dryla