Gary E Keffer

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Chesapeake, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable venturi fluid mixing method
- Patent number 9,566,556
- Issue date Feb 14, 2017
- CROSSROADS MACHINE, INC.
- Gary E Keffer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Adjustable venturi mixing valve assembly
- Patent number 9,038,590
- Issue date May 26, 2015
- CROSSROADS MACHINE, INC.
- Gary E Keffer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Gas manifold system for steady gas supply at outlet
- Patent number 8,651,137
- Issue date Feb 18, 2014
- Crossroads Machine Inc.
- Gary E Keffer
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE VENTURI FLUID MIXING METHOD
- Publication number 20150238911
- Publication date Aug 27, 2015
- CROSSROADS MACHINE, INC.
- Gary E. Keffer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ADJUSTABLE VENTURI MIXING VALVE ASSEMBLY
- Publication number 20140158079
- Publication date Jun 12, 2014
- CROSSROADS MACHINE, INC.
- Gary E Keffer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
GAS MANIFOLD SYSTEM FOR STEADY GAS SUPPLY AT OUTLET
- Publication number 20130098490
- Publication date Apr 25, 2013
- CROSSROADS MACHINE, INC.
- Gary E. Keffer
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS