Patents by Inventor Ora F. Kuhlman

Ora F. Kuhlman 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).

  • Access sleeve for drip irrigation emitters
    Patent number: 4350296
    Abstract: A protective sleeve (12) includes a plurality of slots (26) for receiving a hose (16). Distribution tubing (18) is attached to the hose within the protective sleeve and extends out of unused slots, with or without aid of a supportive gate (36), to the soil. A cap (14) engages the protective sleeve and includes an extension (58) which bears against the hose and the gate to retain the same in place.
    Type: Grant
    Filed: June 12, 1980
    Date of Patent: September 21, 1982
    Assignee: Technical Irrigation Products, Inc.
    Inventors: Ora F. Kuhlman, Samuel Tobey