Patents by Inventor Dennis Robert Mario Fernandes

Dennis Robert Mario Fernandes 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).

  • Coupling apparatus
    Patent number: 7758087
    Abstract: An apparatus configured to a downhole tubular to a pump. The apparatus comprises: a body portion having a bore; a locking assembly comprising at least one locking member pivotally mounted to the body portion so as to permit the locking member to be pivoted between an open position in which the downhole tubular can be inserted into the bore of the body portion, and a closed position in which the locking member engages the downhole tubular so as to lock the downhole tubular in the bore of the body portion. Fixing means is provided for fixing the looking member in the closed position. A method of drilling a wellbore using a borehole casing.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: July 20, 2010
    Assignee: Weatherford/Lamb, Inc.
    Inventors: David Niven, Dennis Robert Mario Fernandes
  • COUPLING APPARATUS
    Publication number: 20080303266
    Abstract: An apparatus configured to a downhole tubular to a pump. The apparatus comprises: a body portion having a bore; a locking assembly comprising at least one locking member pivotally mounted to the body portion so as to permit the locking member to be pivoted between an open position in which the downhole tubular can be inserted into the bore of the body portion, and a closed position in which the locking member engages the downhole tubular so as to lock the downhole tubular in the bore of the body portion. Fixing means is provided for fixing the looking member in the closed position. A method of drilling a wellbore using a borehole casing.
    Type: Application
    Filed: June 9, 2008
    Publication date: December 11, 2008
    Inventors: David Niven, Dennis Robert Mario Fernandes
  • Coupling apparatus
    Patent number: 7384077
    Abstract: An apparatus configured to a downhole tubular to a pump. The apparatus comprises: a body portion having a bore; a locking assembly comprising at least one locking member pivotally mounted to the body portion so as to permit the locking member to be pivoted between an open position in which the downhole tubular can be inserted into the bore of the body portion, and a closed position in which the locking member engages the downhole tubular so as to lock the downhole tubular in the bore of the body portion. Fixing means is provided for fixing the looking member in the closed position. A method of drilling a wellbore using a borehole casing.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: June 10, 2008
    Assignee: Weatherford/Lamb, Inc.
    Inventors: David Niven, Dennis Robert Mario Fernandes
  • Coupling apparatus
    Patent number: 7147254
    Abstract: An apparatus configured to a downhole tubular to a pump. The apparatus comprises: a body portion having a bore; a locking assembly comprising at least one locking member pivotally mounted to the body portion so as to permit the locking member to be pivoted between an open position in which the downhole tubular can be inserted into the bore of the body portion, and a closed position in which the locking member engages the downhole tubular so as to lock the downhole tubular in the bore of the body portion. Fixing means is provided for fixing the looking member in the closed position. A method of drilling a wellbore using a borehole casing.
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: December 12, 2006
    Assignee: Weatherford/Lamb, Inc.
    Inventors: David Niven, Dennis Robert Mario Fernandes
  • Coupling apparatus
    Publication number: 20040046387
    Abstract: Apparatus for coupling a downhole tubular (3) to a pump (2). The apparatus comprises: a body portion having a bore (5); a locking assembly comprising at least one locking member (16, 17)=pivotally mounted to the body portion so as to permit the locking member to be pivoted between an open position in which the downhole tubular can be inserted into the bore of the body portion, and a closed position in which the locking member engages the downhole tubular so as to lock the downhole tubular in the bore of the body portion. Fixing means (22) is provided for fixing the locking member in the closed position.
    Type: Application
    Filed: October 2, 2003
    Publication date: March 11, 2004
    Inventors: David Niven, Dennis Robert Mario Fernandes