Robert Allen Jancha

Person

Humble, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Integral multiple stage safety valves
- Patent number 9,133,688
- Issue date Sep 15, 2015
- Tejas Research & Engineering, LLC
- Robert A. Jancha
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subsurface safety valve flapper
- Patent number 8,701,781
- Issue date Apr 22, 2014
- Baker Hughes Incorporated
- Robert C. Henschel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety valve torsional spring assembly and method
- Patent number 7,798,235
- Issue date Sep 21, 2010
- BJ Services Company LLC
- Maximiliano Mondelli
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Subsurface valve with system and method for sealing
- Patent number 6,854,519
- Issue date Feb 15, 2005
- Weatherford/Lamb, Inc.
- Thomas Michael Deaton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Curved flapper with angle variant seat for a subsurface safety valve
- Patent number 6,851,477
- Issue date Feb 8, 2005
- Weatherford/Lamb, Inc.
- Thomas G. Hill, Jr.
- E21 - EARTH DRILLING MINING
Information Patent Grant
Curved flapper and seat for a subsurface saftey valve
- Patent number 6,666,271
- Issue date Dec 23, 2003
- Weatherford/Lamb, Inc.
- Thomas M. Deaton
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Integral Multiple Stage Safety Valves
- Publication number 20140034325
- Publication date Feb 6, 2014
- TEJAS RESEARCH AND ENGINEERING, LLC
- Robert A. Jancha
- E21 - EARTH DRILLING MINING
Information Patent Application
Subsurface Safety Valve Flapper
- Publication number 20120111575
- Publication date May 10, 2012
- BAKER HUGHES INCORPORATED
- Robert C. Henschel
- E21 - EARTH DRILLING MINING
Information Patent Application
Subsurface Safety Valve Flapper
- Publication number 20110114335
- Publication date May 19, 2011
- BJ SERVICES COMPANY, LLC
- Robert C. Henschel
- E21 - EARTH DRILLING MINING
Information Patent Application
Subsurface Safety Valve Flapper
- Publication number 20100175887
- Publication date Jul 15, 2010
- BJ Services Company
- Robert C. Henschel
- E21 - EARTH DRILLING MINING
Information Patent Application
SAFETY VALVE TORSIONAL SPRING ASSEMBLY AND METHOD
- Publication number 20090242209
- Publication date Oct 1, 2009
- BJ Services Company
- Maximiliano Mondelli
- E21 - EARTH DRILLING MINING
Information Patent Application
Subsurface valve with system and method for sealing
- Publication number 20030205389
- Publication date Nov 6, 2003
- Weatherford/Lamb, Inc.
- Thomas Michael Deaton
- E21 - EARTH DRILLING MINING
Information Patent Application
Curved flapper with angle variant seat for a subsurface safety valve
- Publication number 20030121664
- Publication date Jul 3, 2003
- Thomas G. Hill
- E21 - EARTH DRILLING MINING
Information Patent Application
Curved flapper and seat for a subsurface safety valve
- Publication number 20030079880
- Publication date May 1, 2003
- Tejas Research & Engineering, Inc.
- Thomas M. Deaton
- E21 - EARTH DRILLING MINING

Robert Allen Jancha

Person

Patents Grantslast 30 patents

Integral multiple stage safety valves

Subsurface safety valve flapper

Safety valve torsional spring assembly and method

Subsurface valve with system and method for sealing

Curved flapper with angle variant seat for a subsurface safety valve

Curved flapper and seat for a subsurface saftey valve

Patents Applicationslast 30 patents

Integral Multiple Stage Safety Valves

Subsurface Safety Valve Flapper

Subsurface Safety Valve Flapper

Subsurface Safety Valve Flapper

SAFETY VALVE TORSIONAL SPRING ASSEMBLY AND METHOD

Subsurface valve with system and method for sealing

Curved flapper with angle variant seat for a subsurface safety valve

Curved flapper and seat for a subsurface safety valve