Patents by Inventor Butch Hazel

Butch Hazel 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).

  • Impact excavation system and method with injection system
    Patent number: 8162079
    Abstract: A system and method for excavating a formation according to which at least one vessel that is selectively pressurized from a first pressure to second pressure to inject a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: April 24, 2012
    Assignee: PDTI Holdings, LLC
    Inventors: Nathan J. Harder, Harry B. Curlett, Paul O. Padgett, Butch Hazel
  • Impact Excavation System and Method With Injection System
    Publication number: 20100243330
    Abstract: A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.
    Type: Application
    Filed: June 8, 2010
    Publication date: September 30, 2010
    Applicant: PDTI Holdings, LLC
    Inventors: Nathan J. Harder, Harry B. Curlett, Paul O. Padgett, Butch Hazel
  • Impact excavation system and method with injection system
    Patent number: 7793741
    Abstract: A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: September 14, 2010
    Assignee: PDTI Holdings, LLC
    Inventors: Nathan J. Harder, Harry B. Curlett, Paul O. Padgett, Butch Hazel
  • Impact excavation system and method with injection system
    Patent number: 7757786
    Abstract: A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: July 20, 2010
    Assignee: PDTI Holdings, LLC
    Inventors: Nathan J. Harder, Harry B. Curlett, Paul O. Padgett, Butch Hazel
  • Impact Excavation System And Method With Injection System
    Publication number: 20080230275
    Abstract: A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.
    Type: Application
    Filed: May 16, 2008
    Publication date: September 25, 2008
    Applicant: PARTICLE DRILLING TECHNOLOGIES, INC.
    Inventors: Nathan J. Harder, Harry B. Curlett, Paul O. Padgett, Butch Hazel
  • Impact excavation system and method with injection system
    Publication number: 20060191718
    Abstract: A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.
    Type: Application
    Filed: August 16, 2005
    Publication date: August 31, 2006
    Applicant: Particle Drilling Technologies, Inc.
    Inventors: Nathan Harder, Harry Curlett, Paul Padgett, Butch Hazel