Patents by Inventor Donald L. Acker

Donald L. Acker 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: 5975164
    Abstract: A nozzle for a container including an internal ball check valve along with an o-ring sealing structure and angled insertion limitation stops to cooperate with a receptacle to permit the insertion of the nozzle and container only a predetermined distance, while providing for such insertion to effect an opening of the ball check valve, and appropriate sealing o-rings are provided to prevent leakage of the liquid past the nozzle.
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: November 2, 1999
    Assignee: Orange-co of Florida, Inc.
    Inventors: Robert E. Whaley, Donald L. Acker, Conrad L. Williams