Neil C. Crawford

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Forest Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Metal-to-metal sealing system
- Patent number 6,926,283
- Issue date Aug 9, 2005
- FMC Technologies, Inc.
- Dwight D. Janoff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Metal-to-metal sealing system
- Patent number 6,869,080
- Issue date Mar 22, 2005
- FMC Technologies, Inc.
- Dwight D. Janoff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Metal-to-metal seal with soft metal insert
- Patent number 6,561,521
- Issue date May 13, 2003
- FMC Technologies, Inc.
- Dwight D. Janoff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Retrieval tool for back pressure valve and tree test plug
- Patent number 5,782,297
- Issue date Jul 21, 1998
- FMC Corporation
- Martin L. Samuels
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellhead retrieval tool assembly
- Patent number 5,474,124
- Issue date Dec 12, 1995
- Martin L. Samuels
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Metal-to-metal sealing system
- Publication number 20040032088
- Publication date Feb 19, 2004
- FMC Technologies, Inc.
- Dwight D. Janoff
- E21 - EARTH DRILLING MINING
Information Patent Application
Metal-to-metal sealing system
- Publication number 20030141671
- Publication date Jul 31, 2003
- FMC Technologies, Inc.
- Dwight D. Janoff
- E21 - EARTH DRILLING MINING
Information Patent Application
Metal-to-metal seal with soft metal insert
- Publication number 20020140184
- Publication date Oct 3, 2002
- FMC CORPORATION
- Dwight D. Janoff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...