Inventor
SCHOFIELD NIGEL PAUL
GB52 patents
⚠️ This page may combine multiple inventors who share the name “SCHOFIELD NIGEL PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EDWARDS LTD
27 patentsUS7866940B2Jan 11, 2011
Vacuum pump
EDWARDS LTD13 citations92
US7614844B2Nov 10, 2009
Vacuum pumping arrangement
EDWARDS LTD7 citations74
US10337517B2Jul 2, 2019
Gas transfer vacuum pump
EDWARDS LTD2 citations72
US12173707B2Dec 24, 2024
Adjustable scroll pump
EDWARDS LTD2 citations71
US9920761B2Mar 20, 2018
Vacuum pump rotor for a vacuum pump having a roots pumping mechanism
EDWARDS LTD2 citations71
US10309401B2Jun 4, 2019
Vacuum exhaust system and channel-switching valve used in this vacuum exhaust system
EDWARDS LTD2 citations70
US7896625B2Mar 1, 2011
Vacuum pumping system and method of operating a vacuum pumping arrangement
EDWARDS LTD3 citations63
US12025128B2Jul 2, 2024
Scroll pump with a plurality of bellows sealing a plurality of adjustment members
EDWARDS LTD1 citations62
US11421689B2Aug 23, 2022
Pump assembly with sealing protrusion on stator bore portion
EDWARDS LTD1 citations62
US11143191B2Oct 12, 2021
Drag pump and a set of vacuum pumps including a drag pump
EDWARDS LTD0 citations62
US10947974B2Mar 16, 2021
Vacuum scroll pump
EDWARDS LTD1 citations62
US9249805B2Feb 2, 2016
Vacuum pump
EDWARDS LTD1 citations62
US12110896B2Oct 8, 2024
Axial flow vacuum pump with curved rotor and stator blades
EDWARDS LTD0 citations61
US12359665B2Jul 15, 2025
Vacuum pump with reduced seal requirements
EDWARDS LTD0 citations56
US11885341B2Jan 30, 2024
Rotor support and vacuum pump with such a rotor support
EDWARDS LTD0 citations52
US10533552B2Jan 14, 2020
Rotary screw vacuum pumps
EDWARDS LTD0 citations52
US12049891B2Jul 30, 2024
Scroll pump having a biasing apparatus for axially movable fixed and orbiting scrolls against each other via first and second pads that formed material from fixed and orbiting scrolls
EDWARDS LTD0 citations51
US7954371B2Jun 7, 2011
Condition monitoring of pumps and pump system
EDWARDS LTD3 citations51
US12460639B2Nov 4, 2025
Scroll pump with bearing diaphragm
EDWARDS LTD0 citations50
US12286974B2Apr 29, 2025
Multi-stage turbomolecular pump
EDWARDS LTD0 citations50
US12258963B2Mar 25, 2025
Scroll pump with fluid recirculation valve
EDWARDS LTD0 citations50
US12018691B2Jun 25, 2024
Vacuum pump
EDWARDS LTD0 citations50
US11401935B2Aug 2, 2022
Twin shaft pumps and a method of pumping
EDWARDS LTD0 citations50
US11719244B2Aug 8, 2023
Pump having liquid blades and an associated method of pumping
EDWARDS LTD0 citations48
US11933284B2Mar 19, 2024
Multiple chamber vacuum exhaust system
EDWARDS LTD0 citations45
US7318706B2Jan 15, 2008
Valving for multi-stage vacuum pumps
EDWARDS LTD1 citations43
US10161399B2Dec 25, 2018
Scroll pump
EDWARDS LTD0 citations42
BOC GROUP PLC
10 patentsUS5848873ADec 15, 1998
Vacuum pumps
BOC GROUP PLC33 citations92
US6129534AOct 10, 2000
Vacuum pumps
BOC GROUP PLC18 citations83
US6109864AAug 29, 2000
Vacuum pumps
BOC GROUP PLC18 citations77
US6379135B2Apr 30, 2002
Vacuum pumps
BOC GROUP PLC9 citations74
US5772395AJun 30, 1998
Vacuum pumps
BOC GROUP PLC16 citations74
US6200116B1Mar 13, 2001
Vacuum pumps
BOC GROUP PLC7 citations73
US6244841B1Jun 12, 2001
Vacuum pumps
BOC GROUP PLC12 citations72
US6626639B2Sep 30, 2003
Vacuum pump
BOC GROUP PLC4 citations63
US6217305B1Apr 17, 2001
Screw pumps
BOC GROUP PLC4 citations62
US6916162B2Jul 12, 2005
Scroll compressor
BOC GROUP PLC5 citations61
SCHOFIELD NIGEL PAUL
10 patentsUS8323006B2Dec 4, 2012
Scroll pump with an electromagnetic drive mechanism
SCHOFIELD NIGEL PAUL12 citations79
US9279426B2Mar 8, 2016
Multi stage, clam shell vacuum pump
SCHOFIELD NIGEL PAUL4 citations71
US9086071B2Jul 21, 2015
Side-channel pump with axial gas bearing
SCHOFIELD NIGEL PAUL1 citations62
US8727751B2May 20, 2014
Vacuum pumping arrangement
SCHOFIELD NIGEL PAUL2 citations62
US8702407B2Apr 22, 2014
Multistage roots vacuum pump having different tip radius and meshing clearance from inlet stage to exhaust stage
SCHOFIELD NIGEL PAUL2 citations60
US9097252B2Aug 4, 2015
Scroll pump including drive shaft extending through fixed scroll
SCHOFIELD NIGEL PAUL2 citations55
US9334873B2May 10, 2016
Side-channel compressor with symmetric rotor disc which pumps in parallel
SCHOFIELD NIGEL PAUL0 citations52
US8075288B2Dec 13, 2011
Screw pump and pumping arrangement
SCHOFIELD NIGEL PAUL0 citations52
US8500425B2Aug 6, 2013
Roots pumps
SCHOFIELD NIGEL PAUL0 citations50
US9127685B2Sep 8, 2015
Regenerative vacuum pump with axial thrust balancing means
SCHOFIELD NIGEL PAUL0 citations45
STONES IAN DAVID
2 patentsDOWDESWELL STEPHEN
1 patentShowing the top 50 of 52 patents by PatentIndex Score.