Patents by Inventor Allan W. Rainey

Allan W. Rainey 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: 8763728
    Abstract: A hammer assembly is actuated to drive an earth bit through a formation. The hammer assembly includes a piston, and a flow control tube which extends through the piston. The flow control tube includes drive and return guide ports. The piston is repeatably moveable relative to the drive and return guide ports in response to a fluid flow through the flow control tube. In this way, the hammer assembly is actuated.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: July 1, 2014
    Assignee: Atlas Copco Secoroc, LLC
    Inventors: Allan W. Rainey, James W. Langford
  • Patent number: 8627903
    Abstract: A method of boring through a formation includes providing a drilling machine and drill string and operatively coupling an earth bit to the drilling machine through the drill string. An air flow is provided through the drill string at an air pressure less than about one-hundred pounds per square inch (100 psi) and an overstrike force is applied to the earth bit, wherein the overstrike force is less than about five foot-pounds per square inch (5 ft-lb/in2).
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: January 14, 2014
    Assignee: Atlas Copco Secoroc, LLC
    Inventors: Allan W. Rainey, James W. Langford
  • Publication number: 20130098684
    Abstract: A method of boring through a formation includes providing a drilling machine and drill string and operatively coupling an earth bit to the drilling machine through the drill string. An air flow is provided through the drill string at an air pressure less than about one-hundred pounds per square inch (100 psi) and an overstrike force is applied to the earth bit, wherein the overstrike force is less than about five foot-pounds per square inch (5 ft-lb/in2).
    Type: Application
    Filed: December 10, 2012
    Publication date: April 25, 2013
    Inventors: Allan W. Rainey, James W. Langford
  • Patent number: 8353369
    Abstract: A method of boring through a formation includes providing a drilling machine and drill string and operatively coupling an earth bit to the drilling machine through the drill string. An air flow is provided through the drill string at an air pressure less than about one-hundred pounds per square inch (100 psi) and an overstrike force is applied to the earth bit, wherein the overstrike force is less than about five foot-pounds per square inch (5 ft-lb/in2).
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: January 15, 2013
    Assignee: Atlas Copco Secoroc, LLC
    Inventors: Allan W. Rainey, James W. Langford
  • Publication number: 20110088953
    Abstract: A hammer assembly is actuated to drive an earth bit through a formation. The hammer assembly includes a piston, and a flow control tube which extends through the piston. The flow control tube includes drive and return guide ports. The piston is repeatably moveable relative to the drive and return guide ports in response to a fluid flow through the flow control tube. In this way, the hammer assembly is actuated.
    Type: Application
    Filed: December 20, 2010
    Publication date: April 21, 2011
    Applicant: ATLAS COPCO SECOROC LLC
    Inventors: Allan W. Rainey, James W. Langford
  • Publication number: 20100032209
    Abstract: A method of boring through a formation includes providing a drilling machine and drill string and operatively coupling an earth bit to the drilling machine through the drill string. An air flow is provided through the drill string at an air pressure less than about one-hundred pounds per square inch (100 psi) and an overstrike force is applied to the earth bit, wherein the overstrike force is less than about five foot-pounds per square inch (5 ft-lb/in2).
    Type: Application
    Filed: August 5, 2009
    Publication date: February 11, 2010
    Inventors: Allan W. Rainey, James W. Langford