Patents by Inventor Kent C. Erickson

Kent C. Erickson 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).

  • Adapter pipe fitting for sprinkler or drip-type irrigation systems
    Patent number: 5251938
    Abstract: Adapter pipe fittings for sprinkler or drip-type irrigation systems are improved by providing take-off fittings that snap into offtake connector members of the pipe body of such an adapter pipe fitting and swivels therein. The offtake portion of such a take-off swivel fitting preferably includes a screw threaded tip backed by a barb for enhancing holding of attached offtake tubing during the swivel action and for enabling selected take-off swivel fittings in manifold type units to be closed off by screwing plugs onto the threaded terminal ends thereof.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: October 12, 1993
    Assignee: Pro-Mark, Inc.
    Inventor: Kent C. Erickson