Inventor

Evangelos Trifon Laskaris

Inventor

Schenectady, NY, US

Overview

1976–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 217 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Rprimary

G01RMeasuring electric variables23%

H01FMagnets19%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

H02KDynamo-electric machines10%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%

Y10TTechnical subjects covered by former us classification7%

F25DRefrigerators5%

F17CVessels for containing or storing compressed, liquefied or solidified gases4%

F25BRefrigeration machines, plants or systems3%

H10NElectric solid-state devices not otherwise provided for2%

PatentTitleYear

10,770,211Superconducting magnet system with cooling assembly2020 10,670,189Systems and methods for storing and distributing gases2020 10,586,638Quench protection apparatus for superconducting magnet system2020 10,416,254System for reducing thermal shield vibrations2019 10,281,538Warm bore cylinder assembly2019 10,224,799Cooling assembly for electrical machines and methods of assembling the same2019 9,640,308'High temperature superconducting magnet'2017 9,552,906'Current lead for cryogenic apparatus'2017 9,515,469'Vacuum feed-through assembly'2016 9,508,477'Superconducting magnet system'2016 9,305,703'Systems for producing precision magnetic coil windings'2016 9,287,485'Methods for making low resistivity joints'2016 9,201,128'Systems for producing precision magnetic coil windings'2015 9,182,464'Retractable current lead'2015 8,914,086'Superconducting magnet system'2014 8,903,465'Superconducting magnet assembly and fabricating method'2014 8,653,920'Superconducting magnets with an improved support structure'2014 8,643,367'Cryogenic system and method for superconducting magnets and MRI with a fully closed-loop cooling path'2014 8,570,043'System and method for self-sealing a coldhead sleeve of a magnetic resonance imaging system'2013 8,544,281'Cooling system and method for superconducting magnets'2013 8,511,100'Cooling of superconducting devices by liquid storage and refrigeration unit'2013 8,487,727'Magnet assemblies and methods for making the same'2013 8,468,684'Method and apparatus for magnetizing a permanent magnet'2013 8,436,499'Electrical machine with superconducting armature coils and other components'2013 8,374,663'Cooling system and method for cooling superconducting magnet devices'2013 8,346,326'Superconductive wire, processes of manufacture and uses thereof'2013 8,319,389'Segmented stator assembly'2012 8,085,047'Heat pipe cooled suerconducting magnets with ceramic coil forms'2011 8,018,102'Shielding of superconducting field coil in homopolar inductor alternator'2011 7,994,664'System and method for cooling a superconducting rotary machine'2011 7,969,049'High power density cooling of electrical machines using ceramic tubes of high thermal conductivity'2011 7,928,616'Systems and apparatus involving toothed armatures in superconducting machines'2011 7,852,079'Apparatus for low AC loss thermal shielding and method of making same'2010 7,821,164'Method and apparatus for a superconducting generator driven by wind turbine'2010 7,732,966'Superconducting homopolar inductor alternator for power applications'2010 7,724,483'Systems and methods involving protection of superconducting generators for power applications'2010 7,705,701'Thin metal layer vacuum vessels with composite structural support'2010 7,626,477'Cold mass cryogenic cooling circuit inlet path avoidance of direct conductive thermal engagement with substantially conductive coupler for superconducting magnet'2009 7,547,999'Superconducting multi-pole electrical machine'2009 7,548,000'Multilayer radiation shield'2009 7,498,814'Magnet assembly for magnetic resonance imaging system'2009 7,449,889'Heat pipe cooled superconducting magnets with ceramic coil forms'2008 7,423,431'Multiple ring polefaceless permanent magnet and method of making'2008 7,348,707'Electromechanical device having three-dimensional stator laminations'2008 7,345,560'Method and apparatus for magnetizing a permanent magnet'2008 7,345,559'High field open MRI magnet isolation system and method'2008 7,319,329'Cold mass with discrete path substantially conductive coupler for superconducting magnet and cryogenic cooling circuit'2008 7,319,327'Magnetic resonance imaging system with reduced cooling needs'2008 7,317,268'System and method for cooling a super-conducting device'2008 7,312,544'Fluid transfer device and method for conveying fluid to a rotating member'2007 7,242,191'Cold mass support structure and helium vessel of actively shielded high field open MRI magnets'2007 7,226,894'Superconducting wire, method of manufacture thereof and the articles derived therefrom'2007 7,227,437'High field open MRI magnet isolation system and method'2007 7,218,195'Method and apparatus for magnetizing a permanent magnet'2007 7,183,678'AC winding with integrated cooling system and method for making the same'2007 7,148,689'Permanent magnet assembly with movable permanent body for main magnetic field adjustable'2006 7,053,743'Permanent magnet assembly and method of making thereof'2006 7,053,740'Low field loss cold mass structure for superconducting magnets'2006 7,053,509'Quench monitoring and control system and method of operating same'2006 7,023,309'Permanent magnet assembly and method of making thereof'2006 6,995,562'Conduction cooled passively-shielded MRI magnet'2006 6,922,885'High temperature superconducting racetrack coil'2005 6,900,714'System and method for quench and over-current protection of superconductor'2005 6,815,860'High temperature super-conducting rotor coil support with split coil housing and assembly method'2004 6,787,967'High temperature super-conducting rotor coil support and coil support method'2004 6,783,059'Conduction cooled passively-shielded MRI magnet'2004 6,774,633'High-field open MRI magnet isolation system and method'2004 6,725,683'Cryogenic cooling system for rotor having a high temperature super-conducting field winding'2004 6,711,421'Structural reinforced superconducting ceramic tape and method of making'2004 6,694,602'Method of making a pole piece for an MRI'2004 6,662,434'Method and apparatus for magnetizing a permanent magnet'2003 6,617,714'High temperature super-conducting coils supported by an iron core rotor'2003 6,605,886'High temperature superconductor synchronous rotor coil support insulator'2003 6,605,885'Super-conducting rotor coil support with tension rods and bolts'2003 6,600,251'Super-conducting rotor coil winding support assembly method for synchronous machine'2003 6,590,305'High temperature super-conducting synchronous rotor having an electromagnetic shield and method for assembly'2003 6,590,308'High power density super-conducting electric machine'2003 6,577,028'High temperature superconducting rotor power leads'2003 6,570,476'Thermal shield suspension for superconductive magnets'2003 6,570,292'High temperature super-conducting rotor coil support with split coil housing and assembly method'2003 6,553,773'Cryogenic cooling system for rotor having a high temperature super-conducting field winding'2003 6,525,634'Permanent magnet assembly and method of making thereof'2003 6,518,867'Permanent magnet assembly and method of making thereof'2003 6,504,461'Open magnet with recessed field shaping coils'2003 6,442,949'Cryongenic cooling refrigeration system and method having open-loop short term cooling for a superconducting machine'2002 6,438,969'Cryogenic cooling refrigeration system for rotor having a high temperature super-conducting field winding and method'2002 6,429,761'Mold for bonding MRI pole piece tiles and method of making the mold'2002 6,415,613'Cryogenic cooling system with cooldown and normal modes of operation'2002 6,412,289'Synchronous machine having cryogenic gas transfer coupling to rotor with super-conducting coils'2002 6,396,376'Apparatus and method for a superconductive magnet with pole piece'2002 6,358,582'Laminated composite shell assembly for magnet applications'2002 6,358,583'Laminated composite shell assembly with joint bonds'2002 6,259,252'Laminate tile pole piece for an MRI, a method manufacturing the pole piece and a mold bonding pole piece tiles'2001 6,255,928'Magnet having a shim for a laminated pole piece'2001 6,246,308'Superconductive magnet including a cryocooler coldhead'2001 6,218,923'Magnet having shielding'2001 6,215,383'Magnet with shielding'2001 6,215,384'Magnet including shielding'2001 6,201,462'Open superconductive magnet having a cryocooler coldhead'2001 6,198,371'Open magnet with floor mount'2001 6,181,228'Superconductive magnet including a cryocooler coldhead'2001 6,172,588'Apparatus and method for a superconductive magnet with pole piece'2001 6,166,617'Pole piece assembly and open magnet having same'2000 6,157,279'Open magnet having shielding'2000 6,150,819'Laminate tiles for an MRI system and method and apparatus for manufacturing the laminate tiles'2000 6,100,780'Cryogenic-fluid-cooled open MRI magnet with uniform magnetic field'2000 6,081,178'Superconductive magnet having a tube suspension assembly'2000 6,043,729'Tube suspension assembly for superconductive magnets'2000 5,999,075'Open magnet with shielding'1999 5,994,991'Open magnet having shielding'1999 5,883,558'Open superconductive magnet having shielding'1999 5,874,880'Shielded and open superconductive magnet'1999 5,874,882'Open and shielded superconductive magnet'1999 5,801,609'MRI head magnet'1998 5,774,032'Cooling arrangement for a superconducting coil'1998 5,759,960'Superconductive device having a ceramic superconducting lead resistant to breakage'1998 5,721,523'Compact MRI superconducting magnet'1998 5,691,679'Ceramic superconducting lead resistant to moisture and breakage'1997 5,681,006'Apparatus for winding an electrical conductor on a coil form'1997 5,677,630'Planar superconducting MRI magnet'1997 5,672,921'Superconducting field winding assemblage for an electrical machine'1997 5,649,353'Method for making an electrical coil'1997 5,635,838'Method for operating a superconductive magnet'1997 5,594,401'Closed superconductive magnet with uniform imaging volume'1997 5,574,001'Ceramic superconducting lead resistant to breakage'1996 5,574,417'Open MRI magnet with homogeneous imaging volume'1996 5,571,606'Ceramic superconducting lead resistant to breakage'1996 5,568,104'Open MRI superconductive magnet with cryogenic-fluid cooling'1996 5,568,102'Closed superconductive magnet with homogeneous imaging volume'1996 5,568,110'Closed MRI magnet having reduced length'1996 5,565,831'Shielded and open MRI magnet'1996 5,563,566'Cryogen-cooled open MRI superconductive magnet'1996 5,552,211'Ceramic superconducting lead resistant to breakage'1996 5,552,372'Ceramic superconducting lead resistant to breakage'1996 5,548,168'Superconducting rotor for an electrical machine'1996 5,539,366'Magnet having contoured pole faces for magnetic field homogeneity'1996 5,532,663'Support structure for a superconducting coil'1996 5,521,571'Open MRI magnet with uniform imaging volume'1996 5,517,169'Superconducting magnet with magnetic shielding'1996 5,517,168'Superconducting magnet with magnetic shielding'1996 5,512,870'Superconducting switch'1996 5,448,214'Open MRI magnet with superconductive shielding'1995 5,446,433'Superconducting magnet having a shock-resistant support structure'1995 5,446,434'Magnet having pole faces with trapezoidal-shaped shims'1995 5,442,928'Hybrid cooling system for a superconducting magnet'1995 5,439,543'Apparatus and method for passive shimming of a superconducting magnet which images human limbs'1995 5,436,607'Open (non-enclosed) magnets for magnetic resonance imaging'1995 5,430,423'Superconducting magnet having a retractable cryocooler sleeve assembly'1995 5,428,292'Pancake MRI magnet with modified imaging volume'1995 5,416,415'Over-shoulder MRI magnet for human brain imaging'1995 5,410,286'Quench-protected, refrigerated superconducting magnet'1995 5,410,287'Open MRI magnet with uniform magnetic field'1995 5,410,288'Persistent superconducting switch for a superconducting magnet for imaging human limbs'1995 5,396,206'Superconducting lead assembly for a cryocooler-cooled superconducting magnet'1995 5,396,171'Field mapping fixture for a superconducting magnet for imaging human limbs'1995 5,396,207'On-shoulder MRI magnet for human brain imaging'1995 5,381,122'Open MRI magnet having a support structure'1995 5,363,077'MRI magnet having a vibration-isolated cryocooler'1994 5,345,208'Pole face design for a C-shaped superconducting magnet'1994 5,318,412'Flexible suspension for an oil free linear motor compressor'1994 5,317,298'Apparatus and method for passive shimming of a superconducting magnet which images human limbs'1994 5,307,039'Frustoconical magnet for magnetic resonance imaging'1994 5,304,934'Superconducting magnet for imaging human limbs'1994 5,302,928'Superconducting current leads for a cryogenless superconducting magnetic energy storage device'1994 5,301,507'Superconducting magnetic energy storage device'1994 5,285,181'Superconducting winding and support structure'1994 5,278,502'Refrigerated superconducting MR magnet with integrated cryogenic gradient coils'1994 5,261,799'Balanced linear motor compressor'1993 5,260,266'High-TC superconducting lead assembly in a cryostat dual penetration for refrigerated superconductive magnets'1993 5,257,915'Oil free linear motor compressor'1993 5,253,413'Method for making a superconducting joint for a superconducting magnet which images human limbs'1993 5,225,782'Eddy current free MRI magnet with integrated gradient coils'1993 5,222,366'Thermal busbar assembly in a cryostat dual penetration for refrigerated superconductive magnets'1993 5,216,889'Cold head mounting assembly in a cryostat dual penetration for refrigerated superconductive magnets'1993 5,179,338'Refrigerated superconducting MR magnet with integrated gradient coils'1993 5,167,715'Apparatus and method for impregnating superconductor windings'1992 5,153,546'Open MRI magnet'1992 5,129,232'Vibration isolation of superconducting magnets'1992 5,111,172'Demountable coil form for epoxy-impregnated coils'1992 5,093,645'Superconductive switch for conduction cooled superconductive magnet'1992 5,083,105'Axial support system for a MR magnet'1992 5,047,741'Epoxy-impregnated superconductive tape coils'1991 5,045,826'Actively shielded magnetic resonance magnet without cryogens'1991 5,034,713'Radial support system for a MR magnet'1991 5,032,869'Axial thermal shield support for a MR magnet'1991 5,023,584'Magnet cartridge for magnetic resonance magnet'1991 4,986,078'Refrigerated MR magnet support system'1991 4,971,949'Electromagnetic launcher'1990 4,926,647'Cryogenic precooler and cryocooler cold head interface receptacle'1990 4,924,198'Superconductive magnetic resonance magnet without cryogens'1990 4,895,831'Ceramic superconductor cryogenic current lead'1990 4,800,354'Superconducting magnetic resonance magnet and method of making same'1989 4,771,256'Integral shield for mr magnet'1988 4,682,134'Conical, unimpregnated winding for MR magnets'1987 4,660,013'Compact whole body resistive magnetic resonance imaging magnet'1987 4,635,451'Spring loaded valve for adding cryogenic liquid to a cryostat'1987 4,635,450'Compact retractable cryogenic leads'1987 4,633,682'Horizontal cryostat insert with a vertical service stack'1987 4,614,393'Retractable lead system for operation at cryogenic temperatures'1986 4,586,017'Persistent current switch for high energy superconductive solenoids'1986 4,568,908'Compact resistor assembly'1986 4,535,596'Plug for horizontal cryostat penetration'1985 4,526,015'Support for cryostat penetration tube'1985 4,522,034'Horizontal cryostat penetration insert and assembly'1985 4,516,405'Supporting tie configuration for cryostat for cold shipment of NMR magnet'1985 4,516,404'Foam filled insert for horizontal cryostat penetrations'1985 4,492,090'Cryostat for NMR magnet'1985 4,467,303'Superconducting magnet having a support structure for ring-shaped superconductive coils'1984 4,385,248'Support method and structure for epoxy impregnated saddle-shaped superconducting windings'1983 4,363,981'Means to reduce frictional heating of a superconducting winding at an interface with its support structure'1982 4,291,997'Flexible support for superconducting machine rotor'1981 4,279,944'Epoxy impregnated ventilated winding'1981 4,278,905'Apparatus for supporting a stator winding in a superconductive generator'1981 4,082,967'Uniformly-cooled superconducting rotor'1978 3,991,588'Cryogenic fluid transfer joint employing a stepped bayonet relative-motion gap'1976 3,991,587'Method of supplying cryogenic fluid through a transfer joint employing a stepped bayonet relative-motion gap'1976 3,991,333'Winding support structure for superconducting rotor'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2020Patents assigned to GEN ELECTRIC (215)· patent assignee history

1976–2020Based in Schenectady, NY, US· patent location history

1999–2016Based in Niskayuna, NY, US· patent location history

2003Based in New York, NY, US· patent location history

2011–2016Patents assigned to HUANG XIANRUI (7)· patent assignee history

2011–2014Patents assigned to ZHAO YAN (7)· patent assignee history

2012–2019Patents assigned to LASKARIS EVANGELOS TRIFON (16)· patent assignee history

2013–2015Patents assigned to THOMPSON PAUL ST MARK SHADFORTH (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GEN ELECTRIC	215	1976–2020
LASKARIS EVANGELOS TRIFONself	16	2012–2019
HUANG XIANRUI	7	2011–2016
ZHAO YAN	7	2011–2014
THOMPSON PAUL ST MARK SHADFORTH	5	2013–2015

Locations

Location	Patents	Span
Schenectady, New York, US	170	1976–2020
Niskayuna, New York, US	46	1999–2016
New York, New York, US	1	2003