1
Charles H Dewey, Wei Xu: Expandable underreamer/stabilizer. Smith International, Conley Rose P C, May 11, 2004: US06732817 (218 worldwide citation)

A downhole tool that functions as an underreamer, or alternatively, as a stabilizer in an underreamed borehole. The tool includes one or more moveable arms disposed within a body having a flowbore therethrough in fluid communication with the wellbore annulus. The tool alternates between collapsed an ...


2
Hwa Young Michael Yeh, Jyh Shyan Lin, Yuan Ming Fleming Lure, Xin Wei Xu, Ruiping Li, Rong Feng Zhuang: Divide-and-conquer method and system for the detection of lung nodule in radiological images. Deus Technologies, Jeffrey W Gluck, Robert Kinberg, Venable, April 15, 2003: US06549646 (91 worldwide citation)

A divide-and-conquer (DAC) method and system improve the detection of abnormalities, like lung nodules, in radiological images via the use of zone-based digital image processing and artificial neural networks. The DAC method and system divide the lung zone into different zones in order to enhance th ...


3
Charles H Dewey, Wei Xu: Expandable underreamer/stabilizer. Smith International, Conley Rose P C, Shannon W Bates, May 23, 2006: US07048078 (80 worldwide citation)

A downhole tool that functions as an underreamer or as a stabilizer in an underreamed borehole. The tool includes one or more moveable arms disposed within a body having a flowbore therethrough in fluid communication with the wellbore annulus. The tool alternates between collapsed and expanded posit ...


4
Charles H Dewey, Wei Xu: Fluid flow control devices and methods for selective actuation of valves and hydraulic drilling tools. Smith International, Conley Rose & Tayon, September 18, 2001: US06289999 (76 worldwide citation)

Flow control devices and associated control methods are described for use with hydraulic tools, such as those in a drill string. The described flow control device is typically incorporated into a drill string and is selectively operable in either a flow-through mode or a valve control mode. In the v ...


5
Charles H Dewey, Wei Xu: Selectively actuatable expandable underreamer/stablizer. Smith International, Conley Rose P C, January 1, 2008: US07314099 (74 worldwide citation)

An expandable downhole tool comprises a tubular body having an axial flowbore extending therethrough, at least one moveable arm, and a selectively actuatable sleeve that prevents or allows the at least one moveable arm to translate between a collapsed position and an expanded position. A method of e ...


6
Kunio Doi, Xin Wei Xu, Shigehiko Katsuragawa, Junji Morishita: Computer-aided method for automated image feature analysis and diagnosis of medical images. Arch Development Corporation, Oblon Spivak McClelland Maier & Neustadt P C, August 4, 1998: US05790690 (64 worldwide citation)

A computerized method for the detection and characterization of disease in an image derived from a chest radiograph, wherein an image in the chest radiograph is processed to determine the ribcage boundary, including lung top edges, right and left ribcage edges, and right and left hemidiaphragm edges ...


7
Brad O Buckman, David D Davey, William J Guilford, Michael M Morrissey, Howard P Ng, Gary B Phillips, Shung C Wu, Wei Xu: Benzamidine derivatives and their use as anti-coagulants. Berlex Laboratories, Carol J Roth, November 25, 1997: US05691364 (61 worldwide citation)

This invention is directed to benzamidine derivatives which are useful as anti-coagulants. This invention is also directed to pharmaceutical compositions containing the compounds of the invention, and methods of using the compounds to treat disease-states characterized by thrombotic activity.


8
Alfred Cuschieri, Timothy G Frank, Wei Xu: Multiple hypodermic needle arrangement. St Onge Steward Johnston & Reens, May 4, 2004: US06730061 (49 worldwide citation)

A hypodermic needle is provided comprising a first, hollow needle having movably secured therein one or more further, hollow needles. Each further needle and part of the hypodermic needle being movable relative to one another between a stressed position and an unstressed position. In the stressed po ...


9
Kunio Doi, Xin Wei Xu, Shigehiko Katsuragawa, Junji Morishita: Computer-aided method for automated image feature analysis and diagnosis of digitized medical images. Arch Development Corporation, Oblon Spivak McClelland Maier & Neustadt P C, January 4, 2000: US06011862 (43 worldwide citation)

A computerized method for the detection and characterization of disease in an image derived from a chest radiograph, wherein an image in the chest radiograph is processed to determine the ribcage boundary, including lung top edges, right and left ribcage edges, and right and left hemidiaphragm edges ...


10
Yihong Gong, Mei Han, Wei Xu: Video foreground segmentation method. NEC Laboratories America, Brosemer Kolefas & Associates, October 21, 2008: US07440615 (42 worldwide citation)

A fully automatic, computationally efficient segmentation method of video employing sequential clustering of sparse image features. Both edge and corner features of a video scene are employed to capture an outline of foreground objects and the feature clustering is built on motion models which work ...