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Bradley D. Canfield
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Orem, UT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic focal spot alignment of an x-ray tube
Patent number
10,383,202
Issue date
Aug 13, 2019
Varex Imaging Corporation
Bradley D Canfield
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Electronic calibration of focal spot position in an X-ray tube
Patent number
10,383,203
Issue date
Aug 13, 2019
Varex Imaging Corporation
Michael Meiler
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of designing X-ray tube having planar emitter with tunable e...
Patent number
10,269,529
Issue date
Apr 23, 2019
Varex Imaging Corporation
Bradley D. Canfield
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
X-ray tube having magnetic quadrupoles for focusing and collocated...
Patent number
10,181,389
Issue date
Jan 15, 2019
Varex Imaging Corporation
Bradley D. Canfield
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
X-ray tube having planar emitter and magnetic focusing and steering...
Patent number
10,026,586
Issue date
Jul 17, 2018
Varex Imaging Corporation
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
X-ray tube having magnetic quadrupoles for focusing and magnetic di...
Patent number
10,008,359
Issue date
Jun 26, 2018
Varex Imaging Corporation
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
X-ray tube having magnetic quadrupoles for focusing and steering
Patent number
9,916,961
Issue date
Mar 13, 2018
Varex Imaging Corporation
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
X-ray tube having a dual grid and dual filament cathode
Patent number
9,779,907
Issue date
Oct 3, 2017
Varex Imaging Corporation
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
X-ray tube having planar emitter with tunable emission characteristics
Patent number
9,659,741
Issue date
May 23, 2017
Varex Imaging Corporation
Bradley D. Canfield
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cathode assembly for an X-ray tube
Patent number
8,451,976
Issue date
May 28, 2013
Varian Medical Systems, Inc.
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multiple energy x-ray source assembly
Patent number
7,476,023
Issue date
Jan 13, 2009
Varian Medical Systems, Inc.
Bradley Dee Canfield
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Semi-permeable diaphragm sealing system
Patent number
7,236,570
Issue date
Jun 26, 2007
Varian Medical Systems Technologies, Inc.
Bradley Dee Canfield
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...
Patents Applications
last 30 patents
Information
Patent Application
X-RAY TUBE HAVING PLANAR EMITTER AND MAGNETIC FOCUSING AND STEERING...
Publication number
20190237286
Publication date
Aug 1, 2019
VAREX IMAGING CORPORATION
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRONIC CALIBRATION OF FOCAL SPOT POSITION IN AN X-RAY TUBE
Publication number
20170318652
Publication date
Nov 2, 2017
Varian Medical Systems, Inc.
Michael Meiler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRONIC FOCAL SPOT ALIGNMENT OF AN X-RAY TUBE
Publication number
20170318651
Publication date
Nov 2, 2017
Varian Medical Systems, Inc.
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF DESIGNING X-RAY TUBE HAVING PLANAR EMITTER WITH TUNABLE E...
Publication number
20170256379
Publication date
Sep 7, 2017
VAREX IMAGING CORPORATION
Bradley D. Canfield
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
X-RAY TUBE HAVING MAGNETIC QUADRUPOLES FOR FOCUSING AND MAGNETIC DI...
Publication number
20160268095
Publication date
Sep 15, 2016
Varian Medical Systems, Inc.
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
X-RAY TUBE HAVING A DUAL GRID AND DUAL FILAMENT CATHODE
Publication number
20160217965
Publication date
Jul 28, 2016
Varian Medical Systems, Inc.
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
X-RAY TUBE HAVING PLANAR EMITTER WITH TUNABLE EMISSION CHARACTERISTICS
Publication number
20150187530
Publication date
Jul 2, 2015
Varian Medical Systems, Inc.
Bradley D. Canfield
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
X-RAY TUBE HAVING MAGNETIC QUADRUPOLES FOR FOCUSING AND STEERING
Publication number
20150187537
Publication date
Jul 2, 2015
Varian Medical Systems, Inc.
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
X-RAY TUBE HAVING PLANAR EMITTER AND MAGNETIC FOCUSING AND STEERING...
Publication number
20150187536
Publication date
Jul 2, 2015
Varian Medical Systems, Inc.
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
X-RAY TUBE HAVING MAGNETIC QUADRUPOLES FOR FOCUSING AND COLLOCATED...
Publication number
20150187538
Publication date
Jul 2, 2015
Varian Medical Systems, Inc.
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CATHODE ASSEMBLY FOR AN X-RAY TUBE
Publication number
20120027182
Publication date
Feb 2, 2012
Varian Medical Systems, Inc.
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
INTEGRAL X-RAY TUBE SHIELDING FOR HIGH-VOLTAGE X-RAY TUBE CABLES
Publication number
20070291903
Publication date
Dec 20, 2007
Varian Medical Systems Technologies, Inc.
Bradley D. Canfield
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semi-permeable diaphragm sealing system
Publication number
20060067478
Publication date
Mar 30, 2006
Bradley Dee Canfield
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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...