Patents by Inventor Guus Versteeg

Guus Versteeg 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).

  • Shoe for used in the construction of oil and gas wells
    Patent number: 5669443
    Abstract: A shoe for attachment to a length of casing for use in a wellbore comprises a body portion attachable to casing, and a nose portion rotatably mounted on the body portion. A casing string with a plurality of casing sections and such a shoe.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: September 23, 1997
    Assignee: Weatherford /Lamb, Inc.
    Inventors: Peter Budde, Guus Versteeg