Inventor · disambiguated record
David Alan Turrell
Also filed as: TURRELL DAVID A · TURRELL DAVID ALAN
6 granted patents·2 pending applications·34 citations·filing 1989–2020
77Inventor score
Top patents by PatentIndex Score
8 records- 0177US11542946B2Twin-shaft pumps with thermal breaksEDWARDS LTD·Filed 2018·Granted Jan 3, 2023·1 cites·18 claims
- 0264US7914265B2Evacuation of a load lock enclosureEDWARDS LTD·Filed 2005·Granted Mar 29, 2011·3 cites·14 claims
- 0364US7214041B2Seal assembliesBOC GROUP PLC·Filed 2004·Granted May 8, 2007·9 cites·6 claims
- 0463US4934908AVacuum pump systemsBOC GROUP PLC·Filed 1989·Granted Jun 19, 1990·21 cites·11 claims
- 0551US12031542B2Vacuum pump comprising a relief valve and a method of assembly of the relief valveEDWARDS LTD·Filed 2020·Granted Jul 9, 2024·0 cites·9 claims
- 0651US11578722B2Multi-stage vacuum booster pump couplingEDWARDS LTD·Filed 2018·Granted Feb 14, 2023·0 cites·13 claims
- 0736US2013071274A1Vacuum pumping systemGALTRY MICHAEL ANDREW·Filed 2011·Application pending·0 cites
- 0836US2022290767A1Non-return check valve for vacuum systemEDWARDS LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →