Inventor · disambiguated record
Stephen Dowdeswell
Also filed as: DOWDESWELL STEPHEN
11 granted patents·3 pending applications·16 citations·filing 2004–2021
82Inventor score
Top patents by PatentIndex Score
14 records- 0179US8500422B2Vacuum pumpDOWDESWELL STEPHEN·Filed 2007·Granted Aug 6, 2013·8 cites·27 claims
- 0273US9920761B2Vacuum pump rotor for a vacuum pump having a roots pumping mechanismEDWARDS LTD·Filed 2015·Granted Mar 20, 2018·2 cites·16 claims
- 0372US9279426B2Multi stage, clam shell vacuum pumpSCHOFIELD NIGEL PAUL·Filed 2008·Granted Mar 8, 2016·4 cites·14 claims
- 0469US10337517B2Gas transfer vacuum pumpEDWARDS LTD·Filed 2013·Granted Jul 2, 2019·2 cites·25 claims
- 0558US12110896B2Axial flow vacuum pump with curved rotor and stator bladesEDWARDS LTD·Filed 2021·Granted Oct 8, 2024·0 cites·13 claims
- 0657US12286974B2Multi-stage turbomolecular pumpEDWARDS LTD·Filed 2019·Granted Apr 29, 2025·0 cites·15 claims
- 0755US11841021B2Temperature control of a pumped gas flowEDWARDS LTD·Filed 2018·Granted Dec 12, 2023·0 cites·19 claims
- 0853US12018691B2Vacuum pumpEDWARDS LTD·Filed 2021·Granted Jun 25, 2024·0 cites·14 claims
- 0953US8500425B2Roots pumpsSCHOFIELD NIGEL PAUL·Filed 2009·Granted Aug 6, 2013·0 cites·14 claims
- 1052US11401935B2Twin shaft pumps and a method of pumpingEDWARDS LTD·Filed 2018·Granted Aug 2, 2022·0 cites·15 claims
- 1147US2014079581A1Rotor for pumpSCHOFIELD NIGEL PAUL·Filed 2012·Application pending·0 cites
- 1246US2015377239A1Vacuum pumpEDWARDS LTD·Filed 2013·Application pending·0 cites
- 1345US9551333B2Vacuum pump with longitudinal and annular sealsTURNER NEIL·Filed 2012·Granted Jan 24, 2017·0 cites·20 claims
- 1439US2007274822A1Vacuum PumpLIU MICHAEL C K·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →