Gregory Andrews

Person

Draper, UT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electrical connectors for multiple emitter cathodes
- Patent number 11,574,789
- Issue date Feb 7, 2023
- Varex Imaging Corporation
- Jacob Sullivan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anode shield
- Patent number 11,545,332
- Issue date Jan 3, 2023
- Varex Imaging Corporation
- Robert S. Miller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic lift device for an x-ray tube
- Patent number 10,804,064
- Issue date Oct 13, 2020
- Varex Imaging Corporation
- James E. Burke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Large angle anode target for an X-ray tube and orthogonal cathode s...
- Patent number 10,755,887
- Issue date Aug 25, 2020
- Varex Imaging Corporation
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High power X-ray tube housing
- Patent number 9,648,710
- Issue date May 9, 2017
- Varex Imaging Corporation
- David Craig Smith
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube aperture having expansion joints
- Patent number 9,530,528
- Issue date Dec 27, 2016
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
X-ray tube aperture body with shielded vacuum wall
- Patent number 9,514,911
- Issue date Dec 6, 2016
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid-cooled aperture body in an x-ray tube
- Patent number 8,130,910
- Issue date Mar 6, 2012
- Varian Medical Systems, Inc.
- Jason W. Davies
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Evacuated enclosure window cooling
- Patent number 8,054,945
- Issue date Nov 8, 2011
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Aperture shield incorporating refractory materials
- Patent number 8,000,450
- Issue date Aug 16, 2011
- Varian Medical Systems, Inc.
- Gregory Andrews
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
X-ray tube bearing shaft and hub
- Patent number 7,995,708
- Issue date Aug 9, 2011
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode assembly with integral tabs
- Patent number 7,860,219
- Issue date Dec 28, 2010
- Varian Medical Systems, Inc.
- Scott M. Clark
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube cooling system
- Patent number 7,688,949
- Issue date Mar 30, 2010
- Varian Medical Systems, Inc.
- Don Lee Warburton
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Systems, methods and devices for x-ray device focal spot control
- Patent number 7,507,026
- Issue date Mar 24, 2009
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Shield structure and focal spot control assembly for x-ray device
- Patent number 7,486,776
- Issue date Feb 3, 2009
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mechanical interface assembly
- Patent number 7,460,648
- Issue date Dec 2, 2008
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Shield structure and focal spot control assembly for x-ray device
- Patent number 7,289,603
- Issue date Oct 30, 2007
- Varian Medical Systems Technologies, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems, methods and devices for x-ray device focal spot control
- Patent number 7,286,644
- Issue date Oct 23, 2007
- Varian Medical Systems Technologies, Inc.
- Gregory C. Andrews
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fluid connection assembly for x-ray device
- Patent number 7,201,514
- Issue date Apr 10, 2007
- Varian Medical Systems Technologies, Inc.
- Gregory C. Andrews
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Integrated fluid pump for use in an x-ray tube
- Patent number 7,174,001
- Issue date Feb 6, 2007
- Varian Medical Systems Technologies, Inc.
- Gregory C. Andrews
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Adjustable x-ray beam collimator for an x-ray tube
- Patent number 6,778,636
- Issue date Aug 17, 2004
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
X-ray tube rotor assembly having augmented heat transfer capability
- Patent number 6,751,292
- Issue date Jun 15, 2004
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low thermal resistance bearing assembly for x-ray device
- Patent number 6,693,990
- Issue date Feb 17, 2004
- Varian Medical Systems Technologies, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual fluid cooling system for high power x-ray tubes
- Patent number 6,519,317
- Issue date Feb 11, 2003
- Varian Medical Systems, Inc.
- John E. Richardson
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Large surface area x-ray tube shield structure
- Patent number 6,519,318
- Issue date Feb 11, 2003
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drive assembly for an x-ray tube having a rotating anode
- Patent number 6,480,571
- Issue date Nov 12, 2002
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube cooling system
- Patent number 6,400,799
- Issue date Jun 4, 2002
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube cooling system
- Patent number 6,366,642
- Issue date Apr 2, 2002
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-performance X-ray generating apparatus with improved cooling s...
- Patent number 6,115,454
- Issue date Sep 5, 2000
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cooling system for an x-ray source
- Patent number 6,074,092
- Issue date Jun 13, 2000
- Varian Medical Systems, Inc.
- Greg Andrews
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICAL CONNECTORS FOR MULTIPLE EMITTER CATHODES
- Publication number 20180211810
- Publication date Jul 26, 2018
- VAREX IMAGING CORPORATION
- Jacob Sullivan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LARGE ANGLE ANODE TARGET FOR AN X-RAY TUBE AND ORTHOGONAL CATHODE S...
- Publication number 20180204703
- Publication date Jul 19, 2018
- VAREX IMAGING CORPORATION
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HEAT SINK FOR X-RAY TUBE ANODE
- Publication number 20180151324
- Publication date May 31, 2018
- VAREX IMAGING CORPORATION
- Patrick K. Lewis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC LIFT DEVICE FOR AN X-RAY TUBE
- Publication number 20170301504
- Publication date Oct 19, 2017
- VAREX IMAGING CORPORATION
- James E. Burke
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HIGH POWER X-RAY TUBE HOUSING
- Publication number 20150139404
- Publication date May 21, 2015
- Varian Medical Systems, Inc.
- David Craig Smith
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTILEVEL COMPUTED TOMOGRAPHY FOR RADIALLY-SHIFTED FOCAL SPOTS
- Publication number 20150063532
- Publication date Mar 5, 2015
- University of Utah Research Foundation
- Gregory C. Andrews
- G01 - MEASURING TESTING
Information Patent Application
X-RAY TUBE APERTURE BODY WITH SHIELDED VACUUM WALL
- Publication number 20130195253
- Publication date Aug 1, 2013
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY TUBE APERTURE HAVING EXPANSION JOINTS
- Publication number 20130156161
- Publication date Jun 20, 2013
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
LIQUID-COOLED APERTURE BODY IN AN X-RAY TUBE
- Publication number 20110038462
- Publication date Feb 17, 2011
- Varian Medical Systems, Inc.
- Jason W. Davies
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
EVACUATED ENCLOSURE WINDOW COOLING
- Publication number 20110038461
- Publication date Feb 17, 2011
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
X-RAY TUBE BEARING SHAFT AND HUB
- Publication number 20110038459
- Publication date Feb 17, 2011
- Varian Medical Systems, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode Assembly With Integral Tabs
- Publication number 20100079053
- Publication date Apr 1, 2010
- Varian Medical Systems, Inc.
- Gregory C. ANDREWS
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY TUBE COOLING SYSTEM
- Publication number 20090086917
- Publication date Apr 2, 2009
- Varian Medical Systems Technologies, Inc.
- Don Lee Warburton
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
APERTURE SHIELD INCORPORATING REFRACTORY MATERIALS
- Publication number 20090080617
- Publication date Mar 26, 2009
- Varian Medical Systems Technologies, Inc.
- Gregory Andrews
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MECHANICAL INTERFACE ASSEMBLY
- Publication number 20080273668
- Publication date Nov 6, 2008
- Varian Medical Systems Technologies, Inc.
- Gregory C. Andrews
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEMS, METHODS AND DEVICES FOR X-RAY DEVICE FOCAL SPOT CONTROL
- Publication number 20080037713
- Publication date Feb 14, 2008
- Varian Medical Systems Technologies, Inc.
- Gregory C. Andrews
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SHIELD STRUCTURE AND FOCAL SPOT CONTROL ASSEMBLY FOR X-RAY DEVICE
- Publication number 20080019483
- Publication date Jan 24, 2008
- Varian Medical Systems Technologies, Inc.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Coolant pump for x-ray device
- Publication number 20060228238
- Publication date Oct 12, 2006
- Gregory C. Andrews
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Fluid connection assembly for x-ray device
- Publication number 20060067482
- Publication date Mar 30, 2006
- Gregory C. Andrews
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Shield structure and focal spot control assembly for x-ray device
- Publication number 20060050850
- Publication date Mar 9, 2006
- VARIAN MEDICAL SYSTEMS TECHNOLOGIES, INC.
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Integrated fluid pump for use in an x-ray tube
- Publication number 20060050852
- Publication date Mar 9, 2006
- VARIAN MEDICAL SYSTEMS TECHNOLOGIES, INC.
- Gregory C. Andrews
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Systems, methods and devices for x-ray device focal spot control
- Publication number 20050243969
- Publication date Nov 3, 2005
- Gregory C. Andrews
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
X-ray tube rotor assembly having augmented heat transfer capability
- Publication number 20040032929
- Publication date Feb 19, 2004
- Gregory C. Andrews
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dual fluid cooling system for high power x-ray tubes
- Publication number 20020146092
- Publication date Oct 10, 2002
- Varian Medical Systems, Inc.
- John E. Richardson
- H01 - BASIC ELECTRIC ELEMENTS

Gregory Andrews

Person

Patents Grantslast 30 patents

Electrical connectors for multiple emitter cathodes

Anode shield

Magnetic lift device for an x-ray tube

Large angle anode target for an X-ray tube and orthogonal cathode s...

High power X-ray tube housing

X-ray tube aperture having expansion joints

X-ray tube aperture body with shielded vacuum wall

Liquid-cooled aperture body in an x-ray tube

Evacuated enclosure window cooling

Aperture shield incorporating refractory materials

X-ray tube bearing shaft and hub

Cathode assembly with integral tabs

X-ray tube cooling system

Systems, methods and devices for x-ray device focal spot control

Shield structure and focal spot control assembly for x-ray device

Mechanical interface assembly

Shield structure and focal spot control assembly for x-ray device

Systems, methods and devices for x-ray device focal spot control

Fluid connection assembly for x-ray device

Integrated fluid pump for use in an x-ray tube

Adjustable x-ray beam collimator for an x-ray tube

X-ray tube rotor assembly having augmented heat transfer capability

Low thermal resistance bearing assembly for x-ray device

Dual fluid cooling system for high power x-ray tubes

Large surface area x-ray tube shield structure

Drive assembly for an x-ray tube having a rotating anode

X-ray tube cooling system

X-ray tube cooling system

High-performance X-ray generating apparatus with improved cooling s...

Cooling system for an x-ray source

Patents Applicationslast 30 patents

ELECTRICAL CONNECTORS FOR MULTIPLE EMITTER CATHODES

LARGE ANGLE ANODE TARGET FOR AN X-RAY TUBE AND ORTHOGONAL CATHODE S...

HEAT SINK FOR X-RAY TUBE ANODE

MAGNETIC LIFT DEVICE FOR AN X-RAY TUBE

HIGH POWER X-RAY TUBE HOUSING

MULTILEVEL COMPUTED TOMOGRAPHY FOR RADIALLY-SHIFTED FOCAL SPOTS

X-RAY TUBE APERTURE BODY WITH SHIELDED VACUUM WALL

X-RAY TUBE APERTURE HAVING EXPANSION JOINTS

LIQUID-COOLED APERTURE BODY IN AN X-RAY TUBE

EVACUATED ENCLOSURE WINDOW COOLING

X-RAY TUBE BEARING SHAFT AND HUB

Cathode Assembly With Integral Tabs

X-RAY TUBE COOLING SYSTEM

APERTURE SHIELD INCORPORATING REFRACTORY MATERIALS

MECHANICAL INTERFACE ASSEMBLY

SYSTEMS, METHODS AND DEVICES FOR X-RAY DEVICE FOCAL SPOT CONTROL

SHIELD STRUCTURE AND FOCAL SPOT CONTROL ASSEMBLY FOR X-RAY DEVICE

Coolant pump for x-ray device

Fluid connection assembly for x-ray device

Shield structure and focal spot control assembly for x-ray device

Integrated fluid pump for use in an x-ray tube

Systems, methods and devices for x-ray device focal spot control

X-ray tube rotor assembly having augmented heat transfer capability

Dual fluid cooling system for high power x-ray tubes