Patents by Inventor John L. Brandt

John L. Brandt 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).

  • Patent number: 4336842
    Abstract: Particles coated with a fusible thermosetting resin are placed in the vicinity of a wellbore and in conjunction with a subterranean formation surrounding the wellbore and are cured in the presence of a treating solution containing a softening agent capable of reducing the fusion temperature of the resin.
    Type: Grant
    Filed: January 5, 1981
    Date of Patent: June 29, 1982
    Inventors: John W. Graham, A. Richard Sinclair, John L. Brandt