Patents by Inventor Clive Chemo Lam

Clive Chemo Lam 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: 7484625
    Abstract: A screen apparatus, which in certain aspects is a screen apparatus having a support, screening material on the support, and energizable identification apparatus on (exteriorly, interiorly, and/or within) the support for identifying the screen apparatus; a vibratory separator with such a screen apparatus; and a vibratory separator or shaker with energizable identification apparatus.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: February 3, 2009
    Assignee: Varco I/P, Inc.
    Inventors: Eric Scott, Leon D. Ellison, Reinhold Kammann, Clive Chemo Lam, Manfred H. Worms, Guy L. McClung, III
  • Publication number: 20080236286
    Abstract: A shoe apparatus for a tubular inspection, the shoe apparatus including a body, a circuit board attached to the body, a film on the backing body, the film made of piezoelectric material, a plurality of ultrasonic transducers on the film, and each ultrasonic transducer of the plurality of ultrasonic transducers connected to the circuit board.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 2, 2008
    Inventors: Clive Chemo Lam, Yanming Guo
  • Patent number: 6931748
    Abstract: A system for measuring inner diameter of a tubular, e.g., but not limited to, a riser or a pipe, the system including at least one linear distance measuring device movable through a hollow tubular, a main body also movable through said tubular, the at least one linear distance measuring device mounted on the main body, and the at least one linear distance measuring device for producing a measurement signal indicative of a measurement of inner diameter of the tubular.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: August 23, 2005
    Inventors: Clive Chemo Lam, Manfred Hermann Worms, Helmut Wolfgang Knapwost, Bernd Helmut Dobberstein, Reinhold Kammann, Matthias Detlef Janssen
  • Patent number: 6862099
    Abstract: A system for measuring diameter (inner and/or outer) of a tubular, the system in at least certain aspects including at least one linear distance measuring device with respect to which a tubular to be measured is movable, the at least one linear distance measuring device including a detector for detecting a surface of the tubular, the detector movably mounted to mount apparatus, the detector movable longitudinally along the surface of the tubular and movable axially in response to variation in diameter of the tubular, a rotatable head rotatable with respect to the tubular either outside of it or within it, the mount apparatus secured to the rotatable head, at least one signal production apparatus secured to the mount apparatus or head, and in communication with the linear distance measuring device, the at least one signal production apparatus for producing a signal indicative of distance between said detector and a known point, and transmitting apparatus for transmitting said signals to processing equipment fo
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: March 1, 2005
    Assignee: Varco I/P
    Inventors: Clive Chemo Lam, Manfred Hermann Worms, Helmut Wolfgang Knapwost, Bernd Helmut Dobberstein
  • Patent number: 6772636
    Abstract: A detector for detecting a location of a flaw on a tubular member, the tubular member having a longitudinal axis, the detector having a body, dial rotatably mounted to the body, the dial with directions indications thereon for indicating position of the dial with respect to the longitudinal axis of the tubular member, and ultrasonic probe apparatus secured to the dial for selective positioning by rotating the dial for facilitating location of a flaw of the tubular member; and, in certain aspects, detectors for measuring tubular wall thickness.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: August 10, 2004
    Assignee: Varco I/P, Inc.
    Inventors: Clive Chemo Lam, Gregory Michael Vaselakos
  • Patent number: 6748808
    Abstract: A method, in at least certain aspects, for ultrasonically inspecting a tubular member, the tubular member having an inner surface, an outer surface, and two spaced-apart ends including a first end of the tubular member, the method including transmitting sonic beams to the tubular member with transducers such that sonic beams are reflected from the inner surface of the tubular member, the outer surface of the tubular member, and from the first end of the tubular member, sensing the first end of the tubular member, completing inspection of all or of substantially all of the outer surface of the tubular member for outer surface defects while continuing to inspect the inner surface of the tubular member for inner surface defects, continuing to inspect the inner surface of the tubular member for inner surface defects, the transducers continuing to transmit sonic beams for the inspection of the inner surface of the tubular member until the transducers are near the first end of the tubular member; and apparatus for
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: June 15, 2004
    Assignee: Varco I/P, Inc.
    Inventors: Clive Chemo Lam, Joseph Gregory Kemper, Antonio Manocchio
  • Patent number: 6745136
    Abstract: A method for inspecting pipe, the method, in at least certain aspects, including detecting an inspection parameter in at least a first part of a pipe, the pipe having a length, a hollow body, an outer surface, and a generally circular pipe wall with an inner diameter and an outer diameter, locating at a first location the first part of the pipe with respect to the length of the pipe and with respect to the outer diameter of the pipe; and such a method for inspecting pipe which, in at least certain aspects, includes detecting at least a first part of a first imperfection of the pipe.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: June 1, 2004
    Assignee: Varco I/P, Inc.
    Inventors: Clive Chemo Lam, John Edward Harris
  • Publication number: 20040083815
    Abstract: A detector for detecting a location of a flaw on a tubular member, the tubular member having a longitudinal axis, the detector having a body, a dial rotatably mounted to the body, the dial with direction indications thereon for indicating position of the dial with respect to the longitudinal axis of the tubular member, and ultrasonic probe apparatus secured to the dial for selective positioning by rotating the dial for facilitating location of a flaw of the tubular member; and, in certain aspects, detectors for measuring tubular wall thickness.
    Type: Application
    Filed: November 6, 2002
    Publication date: May 6, 2004
    Inventors: Clive Chemo Lam, Gregory Michael Vaselakos
  • Publication number: 20040016139
    Abstract: A system for measuring inner diameter of a tubular, e.g., but not limited to, a riser or a pipe, the system including at least one linear distance measuring device movable through a hollow tubular, a main body also movable through said tubular, the at least one linear distance measuring device mounted on the main body, and the at least one linear distance measuring device for producing a measurement signal indicative of a measurement of inner diameter of the tubular.
    Type: Application
    Filed: April 1, 2003
    Publication date: January 29, 2004
    Inventors: Clive Chemo Lam, Manfred Hermann Worms, Helmut Wolfgang Knapwost, Bernd Helmut Dobberstein, Reinhold Kammann, Matthias Detlef Janssen
  • Publication number: 20040006437
    Abstract: A method for inspecting pipe, the method, in at least certain aspects, including detecting an inspection parameter in at least a first part of a pipe, the pipe having a length, a hollow body, an outer surface, and a generally circular pipe wall with an inner diameter and an outer diameter, locating at a first location the first part of the pipe with respect to the length of the pipe and with respect to the outer diameter of the pipe; and such a method for inspecting pipe which, in at least certain aspects, includes detecting at least a first part of a first imperfection of the pipe.
    Type: Application
    Filed: July 2, 2002
    Publication date: January 8, 2004
    Inventors: Clive Chemo Lam, John Edward Harris
  • Publication number: 20030189713
    Abstract: A system for measuring diameter (inner and/or outer) of a tubular, the system in at least certain aspects including at least one linear distance measuring device with respect to which a tubular to be measured is movable, the at least one linear distance measuring device including a detector for detecting a surface of the tubular, the detector movably mounted to mount apparatus, the detector movable longitudinally along the surface of the tubular and movable axially in response to variation in diameter of the tubular, a rotatable head rotatable with respect to the tubular either outside of it or within it, the mount apparatus secured to the rotatable head, at least one signal production apparatus secured to the mount apparatus or head, and in communication with the linear distance measuring device, the at least one signal production apparatus for producing a signal indicative of distance between said detector and a known point, and transmitting apparatus for transmitting said signals to processing equipment fo
    Type: Application
    Filed: April 5, 2002
    Publication date: October 9, 2003
    Inventors: Clive Chemo Lam, Manfred Hermann Worms, Helmut Wolfgang Knapwost, Bernd Helmut Dobberstein
  • Patent number: 6622561
    Abstract: A method for ultrasonically inspecting a tubular member which has a first surface spaced-apart from a second surface by a thickness of the tubular member, and two spaced-apart ends the method including transmitting sonic beams to the tubular member with transducer apparatus which are reflected from the first surface and from the second surface, the transducer apparatus controlled by control apparatus, while to inspect the first surface for first surface defects, moving the transducer apparatus adjacent sensing apparatus which signals the control apparatus to cease processing of signals related to inspection of the second surface, and, the transducer apparatus continuing to transmit sonic beams for the inspection of the first surface, and completing inspection of substantially all of the second surface for second surface defects while continuing to inspect the first surface.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: September 23, 2003
    Assignee: Varco I/P, Inc.
    Inventors: Clive Chemo Lam, Joseph Gregory Kemper, Antonio Manocchio
  • Publication number: 20030172735
    Abstract: A method, in at least certain aspects, for ultrasonically inspecting a tubular member, the tubular member having an inner surface, an outer surface, and two spaced-apart ends including a first end of the tubular member, the method including transmitting sonic beams to the tubular member with transducers such that sonic beams are reflected from the inner surface of the tubular member, the outer surface of the tubular member, and from the first end of the tubular member, sensing the first end of the tubular member, completing inspection of all or of substantially all of the outer surface of the tubular member for outer surface defects while continuing to inspect the inner surface of the tubular member for inner surface defects, continuing to inspect the inner surface of the tubular member for inner surface defects, the transducers continuing to transmit sonic beams for the inspection of the inner surface of the tubular member until the transducers are near the first end of the tubular member; and apparatus for
    Type: Application
    Filed: February 4, 2003
    Publication date: September 18, 2003
    Inventors: Clive Chemo Lam, Joseph Gregory Kemper, Antonio Manocchio
  • Patent number: 6578422
    Abstract: A method for ultrasonically inspecting a tubular member, the tubular member having an inner surface, an outer surface, and two spaced-apart ends including a first end of the tubular member, the method including transmitting sonic beams to the tubular member with transducers such that sonic beams are reflected from: the first end and the inner and outer surface of the tubular member, completing inspection of the outer surface of the tubular member while continuing to inspect the inner surface of the tubular member, and sensing a distance from the transducers to the first end of the tubular member, continuing to transmit sonic beams for the inspection of the inner surface of the tubular member until the transducers are near its first end; and, in one aspect, detecting an inner surface defect near the first end of the tubular member after the outer surface inspection has ceased.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: June 17, 2003
    Assignee: Varco I/P, Inc.
    Inventors: Clive Chemo Lam, Joseph Gregory Kemper
  • Publication number: 20030033881
    Abstract: A method for ultrasonically inspecting a tubular member, the tubular member having a first surface, a second surface, the first surface spaced apart from the second surface by a thickness of the tubular member, and two spaced-apart ends including a first end of the tubular member, the method including transmitting sonic beams to the tubular member with transducer apparatus such that sonic beams are reflected from the first surface of the tubular member and from the second surface of the tubular member, the transducer apparatus controlled by control apparatus, while continuing to inspect the first surface of the tubular member for first surface defects, moving the transducer apparatus adjacent sensing apparatus which signals the control apparatus to cease processing of transducer apparatus signals related to inspection of the second surface, and, the transducer apparatus continuing to transmit sonic beams for the inspection of the first surface of the tubular member, and completing inspection of substantially
    Type: Application
    Filed: January 18, 2002
    Publication date: February 20, 2003
    Inventors: Clive Chemo Lam, Joseph Gregory Kemper, Antonio Manocchio
  • Publication number: 20030033880
    Abstract: A method for ultrasonically inspecting a tubular member, the tubular member having an inner surface, an outer surface, and two spaced-apart ends including a first end of the tubular member, the method including transmitting sonic beams to the tubular member with transducers such that sonic beams are reflected from: the first end and the inner and outer surface of the tubular member, completing inspection of the outer surface of the tubular member while continuing to inspect the inner surface of the tubular member, and sensing a distance from the transducers to the first end of the tubular member, continuing to transmit sonic beams for the inspection of the inner surface of the tubular member until the transducers are near its first end; and, in one aspect, detecting an inner surface defect near the first end of the tubular member after the outer surface inspection has ceased.
    Type: Application
    Filed: August 14, 2001
    Publication date: February 20, 2003
    Inventors: Clive Chemo Lam, Joseph Gregory Kemper