Inventor
NORTH MICHAEL HENRY
GB12 patents
⚠️ This page may combine multiple inventors who share the name “NORTH MICHAEL HENRY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOC GROUP PLC
6 patentsUS6129534AOct 10, 2000
Vacuum pumps
BOC GROUP PLC18 citations83
US6200116B1Mar 13, 2001
Vacuum pumps
BOC GROUP PLC7 citations73
US6672855B2Jan 6, 2004
Vacuum pumps
BOC GROUP PLC12 citations71
US6217305B1Apr 17, 2001
Screw pumps
BOC GROUP PLC4 citations62
US6916162B2Jul 12, 2005
Scroll compressor
BOC GROUP PLC5 citations61
US6537049B2Mar 25, 2003
Screw pump having a thermal shield
BOC GROUP PLC0 citations41
EDWARDS LTD
5 patentsUS11248607B2Feb 15, 2022
Multi-stage vacuum booster pump rotor
EDWARDS LTD0 citations60
US11098718B2Aug 24, 2021
Pump cooling systems
EDWARDS LTD0 citations60
US11542946B2Jan 3, 2023
Twin-shaft pumps with thermal breaks
EDWARDS LTD1 citations59
US12345261B2Jul 1, 2025
Stator for a vacuum pump
EDWARDS LTD0 citations50
US7963744B2Jun 21, 2011
Cooling of pump rotors
EDWARDS LTD0 citations39