Patents by Inventor Richard T. Groos

Richard T. Groos 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: 4136740
    Abstract: A large drop sprinkler head is disclosed including a nozzle, a pair of arms extending outwardly and upwardly from the nozzle and joined at their ends in coaxial alignment with the nozzle. A concave, plate distributor is supported by the arms coaxially with the nozzle. The plate distributor includes a central, cup-like portion and an outwardly, downwardly directed, annular plate. A large drop deflector is disposed within the cup-like portion of the plate distributor. The large drop deflector includes a plurality of equally spaced tines or fingers which extend downwardly towards the nozzle. The plate distributor defines a shoulder and the tines extend generally perpendicular to the plate distributor and beyond the plane of the shoulder.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: January 30, 1979
    Assignee: The Viking Corporation
    Inventors: Richard T. Groos, Gerald W. Sanders
  • Patent number: D251128
    Type: Grant
    Filed: June 21, 1977
    Date of Patent: February 20, 1979
    Assignee: The Viking Corporation
    Inventors: Richard T. Groos, Gerald W. Sanders