Patents by Inventor Robert L. Cunningham

Robert L. Cunningham 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).

  • Patent number: 5540409
    Abstract: A beverage container holder for a dashboard of a vehicle including a dashboard of a vehicle having a bore formed therein in communication with the vehicle's air heating and cooling ventilation system; and a holding container for receiving a beverage container having an open top end and a sealed bottom end and with the holding container slidably disposed within the bore of the dashboard, the holding container further having an upper chamber formed therein near the top end, a lower chamber formed therein near the bottom end, an access hole formed between the chambers, a plurality of vents formed thereon for allowing communication between the lower chamber and the ventilation system, and a spring-loaded vent mechanism disposed between chambers and with the vent mechanism depressible when a beverage container is placed thereupon for allowing communication between the chambers through the access hole and with the vent mechanism extendable when a beverage container is removed therefrom for preventing communication
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: July 30, 1996
    Inventor: Robert L. Cunningham
  • Patent number: 4686439
    Abstract: An electronic control system for a multiple speed fluid pump and motor. A parameter of the motor, the pump, or the fluid which is expelled from the pump is measured by a sensor. When a predetermined value of the parameter is reached, the sensor provides a trip signal to a timer circuit. The timer circuit provides a drive signal to a switch while the trip signal is present and for a specified period of time after the trip signal is removed. The switch, while it is receiving the drive signal, connects the motor driving the pump into a high speed configuration. After the specified period of time, the switch will cause the motor to change to low speed operation.
    Type: Grant
    Filed: September 10, 1985
    Date of Patent: August 11, 1987
    Assignee: A. T. Hunn Company
    Inventors: Robert L. Cunningham, Charles R. Rhodes, Carl Angotti, Paul H. Warner