Patents by Inventor Steven R. Howard

Steven R. Howard 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).

  • CIRCULATION SUB
    Publication number: 20240117691
    Abstract: A circulation sub tool includes a tool body with a bore extending therethrough, a sleeve movably disposed within the bore and having a sleeve bore extending therethrough, a collet disposed within the sleeve bore, and an activation dart configured to fit within the sleeve bore. The activation dart includes a dart body, a seal disposed on an outer surface of the dart body, and a channel recessed into the outer surface of the dart body.
    Type: Application
    Filed: October 7, 2022
    Publication date: April 11, 2024
    Inventors: Christopher Biggerstaff, Charlie Kibbe, Steven R. Radford, Steven P. Howard, Douglas K. Baugher
  • Picnic sack
    Patent number: D421521
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: March 14, 2000
    Inventor: Steven R. Howard
  • Portable baby bag
    Patent number: D433567
    Type: Grant
    Filed: October 4, 1999
    Date of Patent: November 14, 2000
    Inventor: Steven R. Howard