Patents by Inventor Alan M. Hawley

Alan M. Hawley 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).

  • Tapping assembly
    Patent number: 5618137
    Abstract: A tapping assembly comprising a main valve for selectively opening and closing a valve passageway, a support for holding the main valve adjacent a unit to be tapped, a drill for piercing a wall of that unit with the drill including a housing and a cutting element. A coupler is provided with left-hand threads and right-hand threads for easily connecting and disconnecting the drill housing from the main valve, thereby allowing easy replacement of a drill bit. Vents are provided both upstream and downstream of the main valve for permitting controlled removal of the contents of the unit with the main valve closed and for permitting controlled removal of any contents of the unit from the coupler with the main valve closed.
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: April 8, 1997
    Assignee: Earth Resources Corporation
    Inventors: Alan M. Hawley, Charles C. Mattern
  • Tapping assembly
    Patent number: 5507604
    Abstract: A tapping assembly comprising a main valve for selectively opening and closing a valve passageway, a support for holding the main valve adjacent a unit to be tapped, a drill for piercing a wall of that unit with the drill including a housing and a cutting element. A coupler is provided with left-hand threads and right-hand threads for easily connecting and disconnecting the drill housing from the main valve, thereby allowing easy replacement of a drill bit. Vents are provided both upstream and downstream of the main valve for permitting controlled removal of the contents of the unit with the main valve closed and for permitting controlled removal of any contents of the unit from the coupler with the main valve closed.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: April 16, 1996
    Assignee: Earth Resources Corporation
    Inventors: Alan M. Hawley, Charles C. Mattern
  • Tapping assembly
    Patent number: 5340244
    Abstract: A tapping assembly comprising a main valve for selectively opening and closing a valve passageway, a support for holding the main valve adjacent a unit to be tapped, a drill for piercing a wall of that unit with the drill including a housing and a cutting element. A coupler is provided with left-hand threads and right-hand threads for easily connecting and disconnecting the drill housing from the main valve, thereby allowing easy replacement of a drill bit. Vents are provided both upstream and downstream of the main valve for permitting controlled removal of the contents of the unit with the main valve closed and for permitting controlled removal of any contents of the unit from the coupler with the main valve closed.
    Type: Grant
    Filed: September 30, 1992
    Date of Patent: August 23, 1994
    Assignee: Earth Resources Corporation
    Inventors: Alan M. Hawley, Charles C. Mattern