Inventor · disambiguated record
James Allen Jefferies
Also filed as: JEFFERIES JAMES ALLEN
8 granted patents·114 citations·filing 2013–2024
86Inventor score
Top patents by PatentIndex Score
8 records- 0196US9068443B2Plunger lift apparatusEPIC LIFT SYSTEMS LLC·Filed 2013·Granted Jun 30, 2015·40 cites·36 claims
- 0295US9790772B2Plunger lift apparatusEPIC LIFT SYSTEMS LLC·Filed 2015·Granted Oct 17, 2017·23 cites·19 claims
- 0395US9689242B2Dart plungerEPIC LIFT SYSTEMS LLC·Filed 2016·Granted Jun 27, 2017·23 cites·20 claims
- 0490US9109424B2Gas lift plungerEPIC LIFT SYSTEMS LLC·Filed 2014·Granted Aug 18, 2015·17 cites·34 claims
- 0589US9932805B2Pad-type plungerEPIC LIFT SYSTEMS LLC·Filed 2015·Granted Apr 3, 2018·8 cites·20 claims
- 0684US12421959B1Pad plungerJEFFERIES JAMES ALLEN·Filed 2024·Granted Sep 23, 2025·1 cites·15 claims
- 0781US11287049B1Unibody components for high-pressure valvesIMS MACHINE LLC·Filed 2020·Granted Mar 29, 2022·2 cites·6 claims
- 0857US12385371B1Plunger lift systemJEFFERIES JAMES ALLEN·Filed 2023·Granted Aug 12, 2025·0 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when James Allen Jefferies 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 →