JAMES ALLEN JEFFERIES

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GRANBURY, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Pad-type plunger
- Patent number 9,932,805
- Issue date Apr 3, 2018
- Epic Lift Systems LLC
- Schuyler Kuykendall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plunger lift apparatus
- Patent number 9,790,772
- Issue date Oct 17, 2017
- Epic Lift Systems LLC
- James Allen Jefferies
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dart plunger
- Patent number 9,689,242
- Issue date Jun 27, 2017
- Epic Lift Systems LLC
- Schuyler Kuykendall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gas lift plunger
- Patent number 9,109,424
- Issue date Aug 18, 2015
- Epic Lift Systems LLC
- James Allen Jefferies
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Plunger lift apparatus
- Patent number 9,068,443
- Issue date Jun 30, 2015
- Epic Lift Systems LLC
- James Allen Jefferies
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DART PLUNGER
- Publication number 20170107802
- Publication date Apr 20, 2017
- EPIC LIFT SYSTEMS LLC
- SCHUYLER KUYKENDALL
- E21 - EARTH DRILLING MINING
Information Patent Application
PAD-TYPE PLUNGER
- Publication number 20160115769
- Publication date Apr 28, 2016
- EPIC LIFT SYSTEMS LLC
- SCHUYLER KUYKENDALL
- E21 - EARTH DRILLING MINING
Information Patent Application
PLUNGER LIFT APPARATUS
- Publication number 20150300136
- Publication date Oct 22, 2015
- EPIC LIFT SYSTEMS LLC
- JAMES ALLEN JEFFERIES
- E21 - EARTH DRILLING MINING
Information Patent Application
GAS LIFT PLUNGER
- Publication number 20150000761
- Publication date Jan 1, 2015
- EPIC LIFT SYSTEMS LLC
- JAMES ALLEN JEFFERIES
- E21 - EARTH DRILLING MINING
Information Patent Application
Plunger Lift Apparatus
- Publication number 20140116714
- Publication date May 1, 2014
- James Allen Jefferies
- E21 - EARTH DRILLING MINING