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Heinrich H. Lang
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The Woodlands, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Running tool locking system and method
Patent number
10,161,211
Issue date
Dec 25, 2018
Stream-Flo Industries Ltd.
Todd Anthony Travis
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellhead seal device to seal casing
Patent number
8,960,276
Issue date
Feb 24, 2015
Stream-Flo Industries Ltd.
Heinrich Lang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Installable load shoulder for a wellhead
Patent number
8,297,366
Issue date
Oct 30, 2012
Stream-Flo Industries Ltd.
Alfred Olvera
E21 - EARTH DRILLING MINING
Information
Patent Grant
Metal seal for wellheads
Patent number
8,066,061
Issue date
Nov 29, 2011
Stream-Flo Industries Ltd.
Keith D. Farquharson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gate valve
Patent number
6,158,718
Issue date
Dec 12, 2000
ERC Industries, Inc.
Heinrich H. Lang
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Full bore tubing hanger system
Patent number
6,012,519
Issue date
Jan 11, 2000
ERC Industries, Inc.
Jack R. Allen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Installable load shoulder for use in a wellhead to support a tubing...
Patent number
5,984,008
Issue date
Nov 16, 1999
ERC Industries, Inc.
Heinrich H. Lang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Connecting system for wellhead components
Patent number
5,951,066
Issue date
Sep 14, 1999
ERC Industries, Inc.
F. Jeffery Lane
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Running Tool Locking System and Method
Publication number
20170122042
Publication date
May 4, 2017
Stream-Flo Industries Ltd.
Todd Anthony TRAVIS
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLHEAD SEAL DEVICE TO SEAL CASING
Publication number
20120067597
Publication date
Mar 22, 2012
Stream-Flo Industries Ltd.
Heinrich LANG
E21 - EARTH DRILLING MINING
Information
Patent Application
INSTALLABLE LOAD SHOULDER FOR A WELLHEAD
Publication number
20100263877
Publication date
Oct 21, 2010
Stream-Flo Industries Ltd.
Alfred Olvera
E21 - EARTH DRILLING MINING
Information
Patent Application
METAL SEAL FOR WELLHEADS
Publication number
20090266558
Publication date
Oct 29, 2009
Keith D. Farquharson
E21 - EARTH DRILLING MINING
Information
Patent Application
Hanger assembly
Publication number
20030042027
Publication date
Mar 6, 2003
Heinrich Lang
E21 - EARTH DRILLING MINING