Inventor · disambiguated record
Douglas W. Berry
Also filed as: BERRY DOUGLAS · BERRY DOUGLAS W
4 granted patents·1 pending application·8 citations·filing 2006–2017
64Inventor score
Top patents by PatentIndex Score
5 records- 0150US8333244B2Bottom tag for progressing cavity pump rotor with coiled tubing accessJOHNSON NICHOLAS D·Filed 2009·Granted Dec 18, 2012·4 cites·19 claims
- 0249US7628209B2Tubing driven progressing cavity pump and method of pumping well fluid from a wellBAKER HUGHES INC·Filed 2006·Granted Dec 8, 2009·4 cites·17 claims
- 0343US10450838B2Diverter valve for progressing cavity pumpBAKER HUGHES INC·Filed 2017·Granted Oct 22, 2019·0 cites·20 claims
- 0429US8726981B2Tandem progressive cavity pumpsBERRY DOUGLAS W·Filed 2011·Granted May 20, 2014·0 cites·18 claims
- 0529US2011284238A1Insertable surface-driven pumpBERRY DOUGLAS W·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Douglas W. Berry files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →