FREUDENBERG OIL & GAS, LLC

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PLYMOUTH, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Expandable packing element and cartridge
- Patent number 9,518,441
- Issue date Dec 13, 2016
- Freudenberg Oil & Gas, LLC
- Santiago Galvez Porta
- E21 - EARTH DRILLING MINING
Information Patent Grant
Swellable energizers for oil and gas wells
- Patent number 9,284,813
- Issue date Mar 15, 2016
- Freudenberg Oil & Gas, LLC
- Santiago Galvez Porta
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid seal with swellable material packing
- Patent number 9,085,949
- Issue date Jul 21, 2015
- Freudenberg Oil & Gas, LLC
- Robert Angus Campbell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Unitized bi-directional seal assembly
- Patent number 8,181,970
- Issue date May 22, 2012
- Freudenberg Oil & Gas, LLC
- Michael A. Smith
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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Patents Applicationslast 30 patents

Information Patent Application
Fluid Seal with Swellable Material Packing
- Publication number 20140060805
- Publication date Mar 6, 2014
- FREUDENBERG OIL & GAS, LLC
- Robert Angus CAMPBELL
- E21 - EARTH DRILLING MINING
Information Patent Application
Unitized Bi-Directional Seal Assembly
- Publication number 20110260411
- Publication date Oct 27, 2011
- FREUDENBERG OIL & GAS, LLC
- Michael Armand Smith
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...