Patents by Inventor Mark D. Strange

Mark D. Strange 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).

  • Wash tool for stimulating oil wells
    Patent number: 4671355
    Abstract: A wash tool for stimulating oil wells having brushes and/or blades mounted to retractable tool blocks, whereby the brushes or blades can be introduced in the well out of contact with the well liner, and thereafter extended into contact with the liner.
    Type: Grant
    Filed: August 14, 1985
    Date of Patent: June 9, 1987
    Inventor: Mark D. Strange