1
Bernard Patrick Bewlay, Melvin Robert Jackson: Method for replacing blade tips of directionally solidified and single crystal turbine blades. General Electric Company, Noreen C Johnson, Douglas E Stoner, October 20, 1998: US05822852 (39 worldwide citation)

A method for repairing a blade tip of a turbine blade of a gas turbine engine. The method is particularly directed to replacing the squealer tip (14) of a directionally solidified (DS) or single crystal (SX) turbine blade (10), and can be carried out using a brazing or welding technique. The method ...


2
Bernard Patrick Bewlay, Stephen Francis Bancheri, Frederic Joseph Klug: Ceramic cores for casting superalloys and refractory metal composites, and related processes. General Electric Company, Francis T Coppa, May 24, 2011: US07946335 (36 worldwide citation)

A rare earth-based core for use in the casting of a reactive metal is described. The core contains a ceramic composition which includes at least about 10% by weight of monoclinic rare earth aluminate (RE4Al2O9), wherein RE represents at least one rare earth element; and at least about 10% by weight ...


3
Melvin Robert Jackson, Bernard Patrick Bewlay, Judson Sloan Marte, Pazhayannur Ramanathan Subramanian, Ji Cheng Zhao, Ann Melinda Ritter: High-temperature composite articles and associated methods of manufacture. General Electric Company, Francis T Coppa, April 10, 2012: US08153052 (31 worldwide citation)

The present invention provides a method for forming a refractory metal-intermetallic composite. The method includes providing a first powder comprising a refractory metal suitable for forming a metal phase; providing a second powder comprising a silicide precursor suitable for forming an intermetall ...


4
Manohar Gopalaswamy Kollegal, Colin Richard Wilson, Bernard Patrick Bewlay, Mark Gilbert Benz: Stationary computed tomography system with compact x ray source assembly. General Electric Company, Jean K Testa, Donald S Ingraham, June 27, 2006: US07068749 (30 worldwide citation)

A stationary CT system comprising at least one annular x ray source assembly comprising a plurality of respective x ray sources spaced along the annular x ray source assembly. Each of the x ray sources comprises a respective stationary x ray target, an electron beam focusing chamber; an x ray channe ...


5
Pazhayannur Ramanathan Subramanian, Melvin Robert Jackson, Paul Leonard Dupree, Bernard Patrick Bewlay, Theodore McCall Evenden: Method and apparatus for casting near-net shape articles. General Electric Company, Robert P Santandrea, Patrick K Patnode, January 13, 2004: US06676381 (30 worldwide citation)

A method and apparatus for casting a near-net-shape article from a high temperature material, such as a refractory metal intermetallic composite material. The apparatus includes: a means for forming a molten material comprising at least one of a metal and an alloy; a means for pouring the molten mat ...


6
Bernard Patrick Bewlay, Michael Francis Xavier Gigliotti Jr, David Ulrich Furrer, Gangshu Shen, Jacek Marian Franczak: Titanium processing methods for ultrasonic noise reduction. General Electric Company, Ladish Company, Robert P Santandrea, Noreen C Johnson, May 14, 2002: US06387197 (27 worldwide citation)

A method is set forth for processing titanium and titanium alloys into titanium articles, in which the titanium exhibits enhanced ultrasonic inspection results for determining its acceptability in microstructurally sensitive titanium applications. The method for processing titanium comprises providi ...


7
Bernard Patrick Bewlay, Dennis Joseph Dalpe: Rhenium-coated tungsten-based alloy and composite articles and method therefor. General Electric Company, Robert P Santandrea, Noreen C Johnson, March 20, 2001: US06203752 (14 worldwide citation)

A furnace component having a tungsten-based substrate whose surface is protected by a rhenium-based layer in order to render the component less reactive to quartz, glass and other forms of silica. The layer preferably consists essentially of rhenium or rhenium with alloying additions of tungsten. Th ...


8
Don Mark Lipkin, Carl Edward Erikson, Bernard Patrick Bewlay, Dennis Joseph Dalpe: Emissive filament and support structure. General Electric Company, Robert P Santandrea, Noreen C Johnson, July 10, 2001: US06259193 (13 worldwide citation)

A filament comprises a generally thin metal component, such as a sheet, ribbon, or foil. The filament comprises at least one emitter, at least one current-condensing structure and a tab on each end of the at least one emitter. Each tab is connectable to a support system, comprising for example a lea ...


9
Bernard Patrick Bewlay, Michael Weimer, Joan McKiever, Brian Ellis: Casting mold composition with improved detectability for inclusions and method of casting. General Electric Company, Scott J Asmus, November 12, 2013: US08579013 (13 worldwide citation)

The present disclosure relates to a titanium-containing article casting mold composition comprising calcium aluminate and an X-ray or Neutron-ray detectable element. Furthermore, present embodiments teach a method for detecting sub-surface ceramic inclusions in a titanium or titanium alloy casting b ...


10
Bernard Patrick Bewlay, Stephen Francis Bancheri, Frederic Joseph Klug: Ceramic cores for casting superalloys and refractory metal composites, and related processes. General Electric Company, Francis T Coppa, September 21, 2010: US07798201 (12 worldwide citation)

A rare earth-based core for use in the casting of a reactive metal is described. The core contains a ceramic composition which includes at least about 10% by weight of monoclinic rare earth aluminate (RE4Al2O9), wherein RE represents at least one rare earth element; and at least about 10% by weight ...