James T. Farrow

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Grand Prairie, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Plunger assembly with internal dart passage
- Patent number 10,066,463
- Issue date Sep 4, 2018
- James T. Farrow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plunger assembly with dampening system
- Patent number 9,951,590
- Issue date Apr 24, 2018
- James T. Farrow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plunger assembly with expandable seal
- Patent number 9,945,209
- Issue date Apr 17, 2018
- James T. Farrow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plunger assembly with coated dart and wear pads
- Patent number 9,863,218
- Issue date Jan 9, 2018
- James T. Farrow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plunger assembly with dual dart system
- Patent number 9,863,223
- Issue date Jan 9, 2018
- James T. Farrow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of providing lubricant volume displacement system for a rota...
- Patent number 4,199,856
- Issue date Apr 29, 1980
- Dresser Industries, Inc.
- James T. Farrow
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PLUNGER ASSEMBLY WITH DUAL DART SYSTEM
- Publication number 20170183947
- Publication date Jun 29, 2017
- James T. Farrow
- E21 - EARTH DRILLING MINING
Information Patent Application
PLUNGER ASSEMBLY WITH INTERNAL DART PASSAGE
- Publication number 20160369594
- Publication date Dec 22, 2016
- James T. Farrow
- E21 - EARTH DRILLING MINING
Information Patent Application
PLUNGER ASSEMBLY WITH DAMPENING SYSTEM
- Publication number 20160369595
- Publication date Dec 22, 2016
- James T. Farrow
- E21 - EARTH DRILLING MINING
Information Patent Application
PLUNGER ASSEMBLY WITH EXPANDABLE SEAL
- Publication number 20160326841
- Publication date Nov 10, 2016
- James T. Farrow
- E21 - EARTH DRILLING MINING
Information Patent Application
PLUNGER ASSEMBLY WITH COATED DART AND WEAR PADS
- Publication number 20160319620
- Publication date Nov 3, 2016
- James T. Farrow
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR