1
William Alan Edelstein, Richard Philip Mallozzi, Robert Arvin Hedeen, Sayed Amr El Hamamsy, Mark Lloyd Miller, Paul Shadforth Thompson, Robert Adolph Ackermann, Bruce Campbell Amm, John Peter Fura, Mike James Radziun, David Edward Dean, Scott Thomas Mansell, Dewain Anthony Purgill, Robert Michael Vavrek: Low noise MRI scanner. General Electric Company, Jean K Testa, Jill M Breedlove, August 20, 2002: US06437568 (31 worldwide citation)

A low noise imaging apparatus for producing Magnetic Resonance (MR) images of a subject and for substantially minimizing acoustic noise generated during imaging is provided. The imaging apparatus comprises a magnet assembly, a gradient coil assembly, and a rf coil assembly, wherein at least one of t ...


2
Evangelos Trifon Laskaris, Paul Shadforth Thompson, Yu Wang: Superconductive magnet including a cryocooler coldhead. General Electric Company, Donald S Ingraham, Douglas E Stoner, June 12, 2001: US06246308 (28 worldwide citation)

A magnet, such as an open or closed magnet, has a first assembly with at least one superconductive main coil and with a first vacuum enclosure enclosing the main coil(s). A first cryocooler coldhead has a rigid first housing and is generally vertically aligned. A first flexible bellows is vertically ...


3
Evangelos Trifon Laskaris, Michael Anthony Palmo, Kathleen Melanie Amm, Paul Shadforth Thompson: Permanent magnet assembly and method of making thereof. General Electric Company, Foley & Lardner, February 25, 2003: US06525634 (25 worldwide citation)

An imaging apparatus, such as an MRI system, contains at least one layer of soft magnetic material between the yoke and each permanent magnet. This imaging apparatus may be operated without pole pieces due to the presence of the soft magnetic material. The permanent magnets may be fabricated by magn ...


4
Evangelos Trifon Laskaris, Michael Anthony Palmo, Kathleen Melanie Amm, Paul Shadforth Thompson: Permanent magnet assembly and method of making thereof. General Electric Company, Foley & Lardner, February 11, 2003: US06518867 (24 worldwide citation)

An imaging apparatus, such as an MRI system, contains at least one layer of soft magnetic material between the yoke and each permanent magnet. This imaging apparatus may be operated without pole pieces due to the presence of the soft magnetic material. The permanent magnets may be fabricated by magn ...


5
Evangelos Trifon Laskaris, Paul Shadforth Thompson, Yu Wang: Superconductive magnet including a cryocooler coldhead. General Electric Company, Marvin Snyder, Douglas E Stoner, January 30, 2001: US06181228 (23 worldwide citation)

A magnet, such as an open or closed magnet, has a first assembly with at least one superconductive main coil and with a first vacuum enclosure enclosing the main coil(s). A first cryocooler coldhead has a rigid first housing and is generally vertically aligned. A first flexible bellows is vertically ...


6
Johannes Martinus van Oort, Paul Shadforth Thompson: Thermo-electrical dehumidifier. General Electric Company, August 15, 2000: US06101815 (22 worldwide citation)

A dehumidifier for an x-ray detector includes a box having an inlet, an outlet, and a drain. A thermo-electrical element includes a cold plate disposed inside the box for cooling air channeled therethrough, and an opposite hot plate disposed outside the box for liberating heat. Air is cooled inside ...


7
Evangelos Trifon Laskaris, Michael Anthony Palmo, Kathleen Melanie Amm, Paul Shadforth Thompson: Permanent magnet assembly and method of making thereof. General Electric Company, Foley & Lardner, April 4, 2006: US07023309 (19 worldwide citation)

An imaging apparatus, such as an MRI system, contains at least one layer of soft magnetic material between the yoke and each permanent magnet. This imaging apparatus may be operated without pole pieces due to the presence of the soft magnetic material. The permanent magnets may be fabricated by magn ...


8
Kathleen Melanie Amm, Evangelos Trifon Laskaris, Paul Shadforth Thompson, Bulent Aksel, Bruce Campbell Amm, Michael Anthony Palmo Jr, Johannes Martinus Van Oort, Xianrui Huang: Multiple ring polefaceless permanent magnet and method of making. General Electric Company, Jason K Klindtworth, September 9, 2008: US07423431 (18 worldwide citation)

A permanent magnet assembly for an imaging apparatus having a permanent magnet body having a first surface and a stepped second surface which is adapted to face an imaging volume of the imaging apparatus, wherein the stepped second surface contains at least four steps.


9
Evangelos Trifon Laskaris, Michael Anthony Palmo, Kathleen Melanie Amm, Paul Shadforth Thompson: Permanent magnet assembly and method of making thereof. General Electric Company, Foley & Lardner, May 30, 2006: US07053743 (17 worldwide citation)

An imaging apparatus, such as an MRI system, contains at least one layer of soft magnetic material between the yoke and each permanent magnet. This imaging apparatus may be operated without pole pieces due to the presence of the soft magnetic material. The permanent magnets may be fabricated by magn ...


10
Evangelos Trifon Laskaris, Paul Shadforth Thompson, Liang Li, Kathleen Melanie Amm, Bulent Aksel, Michael Anthony Palmo Jr: Method and apparatus for magnetizing a permanent magnet. General Electric Company, Jean K Testa, Curtis B Brueske, May 15, 2007: US07218195 (14 worldwide citation)

A magnetizing coil unit and a method of making a magnetizing coil unit is provided. The coil includes a solenoid coil having a coiled copper sheet in which the width of the copper sheet is equal to the height of the solenoid coil. A magnetizing assembly includes a plurality of magnetizing coil units ...