Gregory Wayne Allen

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Spruce Grove, CA

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Patents Grantslast 30 patents

Information Patent Grant
Ball injector for frac tree
- Patent number 10,731,436
- Issue date Aug 4, 2020
- Stream-Flo Industries Ltd.
- Gregory Wayne Allen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ball injector for frac tree
- Patent number 10,161,218
- Issue date Dec 25, 2018
- Stream-Flo Industries Ltd.
- Gregory Wayne Allen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellhead assembly for hydraulic pumping system
- Patent number 7,610,956
- Issue date Nov 3, 2009
- Stream-Flo Industries Ltd.
- Keith David Farquharson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing hanger with ball valve in production string
- Patent number 7,275,591
- Issue date Oct 2, 2007
- ERC Industries
- Gregory Wayne Allen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Ball Injector for Frac Tree
- Publication number 20190085657
- Publication date Mar 21, 2019
- Stream-Flo Industries Ltd.
- Gregory Wayne ALLEN
- E21 - EARTH DRILLING MINING
Information Patent Application
Ball Injector For Frac Tree
- Publication number 20170022777
- Publication date Jan 26, 2017
- Stream-Flo Industries Ltd.
- Gregory Wayne ALLEN
- E21 - EARTH DRILLING MINING
Information Patent Application
Wellhead Assembly for Hydraulic Pumping System
- Publication number 20070193735
- Publication date Aug 23, 2007
- Stream-Flo Industries Ltd.
- David Keith Farquharson
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubing hanger with ball valve in production string
- Publication number 20060060348
- Publication date Mar 23, 2006
- Gregory Wayne Allen
- E21 - EARTH DRILLING MINING