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F. Jeffery Lane
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Houston, TX, US
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last 30 patents
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
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