Patents by Inventor Mark E. Lutz

Mark E. Lutz 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).

  • Swivel arrangement for connecting a boring or reaming tool to a cable
    Patent number: 4911579
    Abstract: A swivel arrangement especially suitable for connecting the back end of a reaming tool to the front end of utility cable during installation of the latter underground is disclosed herein. This arrangement includes a swivel mechanism which is smaller in cross-section than the reaming tool and utility cable apparatus, for connecting the swivel mechanism to and between the reaming tool and utility cable, whereby to create an axially extending radial gap between the tool and cable. In accordance with one feature of the disclosed swivel arrangement, one end of the swivel mechanism is fixedly connected to the back end of the reaming tool to prevent relative lateral moement between the tool.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: March 27, 1990
    Assignee: FlowMole Corporation
    Inventors: Mark E. Lutz, Douglas P. Kelley, Kenneth E. Fender