Inventor · disambiguated record
Michael Henry North
Also filed as: NORTH MICHAEL · NORTH MICHAEL H · NORTH MICHAEL HENRY
14 granted patents·7 pending applications·49 citations·filing 1999–2024
88Inventor score
Top patents by PatentIndex Score
21 records- 0177US11542946B2Twin-shaft pumps with thermal breaksEDWARDS LTD·Filed 2018·Granted Jan 3, 2023·1 cites·18 claims
- 0270US6672855B2Vacuum pumpsBOC GROUP PLC·Filed 2000·Granted Jan 6, 2004·12 cites·8 claims
- 0364US6129534AVacuum pumpsBOC GROUP PLC·Filed 1999·Granted Oct 10, 2000·18 cites·2 claims
- 0462US11248607B2Multi-stage vacuum booster pump rotorEDWARDS LTD·Filed 2018·Granted Feb 15, 2022·0 cites·18 claims
- 0559US11098718B2Pump cooling systemsEDWARDS LTD·Filed 2017·Granted Aug 24, 2021·0 cites·20 claims
- 0658US12345261B2Stator for a vacuum pumpEDWARDS LTD·Filed 2022·Granted Jul 1, 2025·0 cites·7 claims
- 0755US2025303795A1Axle system with isolated trumpet arms and feedthrough fastenersDANA HEAVY VEHICLE SYS GROUP·Filed 2024·Application pending·0 cites
- 0853US8827669B2Screw pump having varying pitchesNORTH MICHAEL HENRY·Filed 2006·Granted Sep 9, 2014·2 cites·23 claims
- 0953US6916162B2Scroll compressorBOC GROUP PLC·Filed 2003·Granted Jul 12, 2005·5 cites·12 claims
- 1047US2024218879A1Stator for a vacuum pumpEDWARDS LTD·Filed 2022·Application pending·0 cites
- 1145US7963744B2Cooling of pump rotorsEDWARDS LTD·Filed 2005·Granted Jun 21, 2011·0 cites·18 claims
- 1245US6200116B1Vacuum pumpsBOC GROUP PLC·Filed 1999·Granted Mar 13, 2001·7 cites·3 claims
- 1343US2019368354A1Multi-stage vacuum booster pump couplingEDWARDS LTD·Filed 2018·Application pending·0 cites
- 1441US2006269424A1Vacuum pumpNORTH MICHAEL HENRY·Filed 2005·Application pending·0 cites
- 1537US9038925B2Ball shaped water sprinkler systemNORTH MICHAEL·Filed 2013·Granted May 26, 2015·0 cites·4 claims
- 1637US6537049B2Screw pump having a thermal shieldBOC GROUP PLC·Filed 2001·Granted Mar 25, 2003·0 cites·11 claims
- 1736US2022290767A1Non-return check valve for vacuum systemEDWARDS LTD·Filed 2020·Application pending·0 cites
- 1834US6217305B1Screw pumpsBOC GROUP PLC·Filed 1999·Granted Apr 17, 2001·4 cites·5 claims
- 1934US2001041145A1Vacuum pumpsFiled 2001·Application pending·0 cites
- 2032US7121269B2Hot-start solenoid valveNORTH MICHAEL·Filed 2004·Granted Oct 17, 2006·0 cites·37 claims
- 2124US2006153696A1Screw pumpRANSOM KEVIN M·Filed 2003·Application pending·0 cites
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