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).
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Patent number: 7484625Abstract: 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: GrantFiled: October 20, 2005Date of Patent: February 3, 2009Assignee: Varco I/P, Inc.Inventors: Eric Scott, Leon D. Ellison, Reinhold Kammann, Clive Chemo Lam, Manfred H. Worms, Guy L. McClung, III
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Publication number: 20080236286Abstract: 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: ApplicationFiled: March 29, 2007Publication date: October 2, 2008Inventors: Clive Chemo Lam, Yanming Guo
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Patent number: 6931748Abstract: 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: GrantFiled: April 1, 2003Date of Patent: August 23, 2005Inventors: Clive Chemo Lam, Manfred Hermann Worms, Helmut Wolfgang Knapwost, Bernd Helmut Dobberstein, Reinhold Kammann, Matthias Detlef Janssen
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Patent number: 6862099Abstract: 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 foType: GrantFiled: April 5, 2002Date of Patent: March 1, 2005Assignee: Varco I/PInventors: Clive Chemo Lam, Manfred Hermann Worms, Helmut Wolfgang Knapwost, Bernd Helmut Dobberstein
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Patent number: 6772636Abstract: 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: GrantFiled: November 6, 2002Date of Patent: August 10, 2004Assignee: Varco I/P, Inc.Inventors: Clive Chemo Lam, Gregory Michael Vaselakos
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Patent number: 6748808Abstract: 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 forType: GrantFiled: February 4, 2003Date of Patent: June 15, 2004Assignee: Varco I/P, Inc.Inventors: Clive Chemo Lam, Joseph Gregory Kemper, Antonio Manocchio
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Patent number: 6745136Abstract: 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: GrantFiled: July 2, 2002Date of Patent: June 1, 2004Assignee: Varco I/P, Inc.Inventors: Clive Chemo Lam, John Edward Harris
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Publication number: 20040083815Abstract: 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: ApplicationFiled: November 6, 2002Publication date: May 6, 2004Inventors: Clive Chemo Lam, Gregory Michael Vaselakos
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Publication number: 20040016139Abstract: 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: ApplicationFiled: April 1, 2003Publication date: January 29, 2004Inventors: Clive Chemo Lam, Manfred Hermann Worms, Helmut Wolfgang Knapwost, Bernd Helmut Dobberstein, Reinhold Kammann, Matthias Detlef Janssen
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Publication number: 20040006437Abstract: 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: ApplicationFiled: July 2, 2002Publication date: January 8, 2004Inventors: Clive Chemo Lam, John Edward Harris
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Publication number: 20030189713Abstract: 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 foType: ApplicationFiled: April 5, 2002Publication date: October 9, 2003Inventors: Clive Chemo Lam, Manfred Hermann Worms, Helmut Wolfgang Knapwost, Bernd Helmut Dobberstein
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Patent number: 6622561Abstract: 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: GrantFiled: January 18, 2002Date of Patent: September 23, 2003Assignee: Varco I/P, Inc.Inventors: Clive Chemo Lam, Joseph Gregory Kemper, Antonio Manocchio
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Publication number: 20030172735Abstract: 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 forType: ApplicationFiled: February 4, 2003Publication date: September 18, 2003Inventors: Clive Chemo Lam, Joseph Gregory Kemper, Antonio Manocchio
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Patent number: 6578422Abstract: 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: GrantFiled: August 14, 2001Date of Patent: June 17, 2003Assignee: Varco I/P, Inc.Inventors: Clive Chemo Lam, Joseph Gregory Kemper
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Publication number: 20030033881Abstract: 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 substantiallyType: ApplicationFiled: January 18, 2002Publication date: February 20, 2003Inventors: Clive Chemo Lam, Joseph Gregory Kemper, Antonio Manocchio
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Publication number: 20030033880Abstract: 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: ApplicationFiled: August 14, 2001Publication date: February 20, 2003Inventors: Clive Chemo Lam, Joseph Gregory Kemper