Inventor
ANDREWS GREGORY C
US30 patents
⚠️ This page may combine multiple inventors who share the name “ANDREWS GREGORY C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VARIAN MED SYS INC
16 patentsUS6115454ASep 5, 2000
High-performance X-ray generating apparatus with improved cooling system
VARIAN MED SYS INC63 citations94
US6778636B1Aug 17, 2004
Adjustable x-ray beam collimator for an x-ray tube
VARIAN MED SYS INC52 citations92
US6519318B1Feb 11, 2003
Large surface area x-ray tube shield structure
VARIAN MED SYS INC36 citations92
US6480571B1Nov 12, 2002
Drive assembly for an x-ray tube having a rotating anode
VARIAN MED SYS INC26 citations92
US6400799B1Jun 4, 2002
X-ray tube cooling system
VARIAN MED SYS INC47 citations92
US6366642B1Apr 2, 2002
X-ray tube cooling system
VARIAN MED SYS INC36 citations92
US6519317B2Feb 11, 2003
Dual fluid cooling system for high power x-ray tubes
VARIAN MED SYS INC39 citations89
US7860219B2Dec 28, 2010
Cathode assembly with integral tabs
VARIAN MED SYS INC17 citations84
US7507026B2Mar 24, 2009
Systems, methods and devices for x-ray device focal spot control
VARIAN MED SYS INC5 citations72
US8054945B2Nov 8, 2011
Evacuated enclosure window cooling
VARIAN MED SYS INC3 citations63
US6751292B2Jun 15, 2004
X-ray tube rotor assembly having augmented heat transfer capability
VARIAN MED SYS INC3 citations60
US7995708B2Aug 9, 2011
X-ray tube bearing shaft and hub
VARIAN MED SYS INC5 citations59
US7688949B2Mar 30, 2010
X-ray tube cooling system
VARIAN MED SYS INC5 citations53
US7460648B2Dec 2, 2008
Mechanical interface assembly
VARIAN MED SYS INC0 citations52
US7486776B2Feb 3, 2009
Shield structure and focal spot control assembly for x-ray device
VARIAN MED SYS INC1 citations51
US9709512B2Jul 18, 2017
Multilevel computed tomography for radially-shifted focal spots
VARIAN MED SYS INC0 citations42
VARIAN MED SYS TECH INC
5 patentsUS7289603B2Oct 30, 2007
Shield structure and focal spot control assembly for x-ray device
VARIAN MED SYS TECH INC26 citations91
US7286644B2Oct 23, 2007
Systems, methods and devices for x-ray device focal spot control
VARIAN MED SYS TECH INC14 citations84
US7174001B2Feb 6, 2007
Integrated fluid pump for use in an x-ray tube
VARIAN MED SYS TECH INC12 citations81
US6693990B1Feb 17, 2004
Low thermal resistance bearing assembly for x-ray device
VARIAN MED SYS TECH INC12 citations74
US7201514B2Apr 10, 2007
Fluid connection assembly for x-ray device
VARIAN MED SYS TECH INC0 citations42
VAREX IMAGING CORP
5 patentsUS11545332B1Jan 3, 2023
Anode shield
VAREX IMAGING CORP3 citations73
US10755887B2Aug 25, 2020
Large angle anode target for an X-ray tube and orthogonal cathode structure
VAREX IMAGING CORP0 citations52
US12426843B2Sep 30, 2025
Imaging system with wide x-ray beam and circumferentially arranged detection mechanism
VAREX IMAGING CORP0 citations49
US11574789B2Feb 7, 2023
Electrical connectors for multiple emitter cathodes
VAREX IMAGING CORP0 citations48
US10804064B2Oct 13, 2020
Magnetic lift device for an x-ray tube
VAREX IMAGING CORP0 citations42