Joseph F. Robbins

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Monson, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide feedthrough assembly
- Patent number 9,423,564
- Issue date Aug 23, 2016
- Weatherford Technology Holdings, LLC
- James R. Dunphy
- G01 - MEASURING TESTING
Information Patent Grant
Optical waveguide feedthrough assembly
- Patent number 8,422,835
- Issue date Apr 16, 2013
- Weatherford/Lamb, Inc.
- James R. Dunphy
- G01 - MEASURING TESTING
Information Patent Grant
Pressure transducer with optical waveguide feedthrough assembly
- Patent number 7,447,390
- Issue date Nov 4, 2008
- Weatherford/Lamb, Inc.
- James R. Dunphy
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL WAVEGUIDE FEEDTHROUGH ASSEMBLY
- Publication number 20160334593
- Publication date Nov 17, 2016
- Weatherford Technology Holdings, LLC.
- James R. DUNPHY
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE FEEDTHROUGH ASSEMBLY
- Publication number 20130223809
- Publication date Aug 29, 2013
- WEATHERFORD/LAMB, INC.
- James R. Dunphy
- G02 - OPTICS
Information Patent Application
Pressure transducer with optical waveguide feedthrough assembly
- Publication number 20070003207
- Publication date Jan 4, 2007
- James R. Dunphy
- G02 - OPTICS
Information Patent Application
Optical waveguide feedthrough assembly
- Publication number 20070003206
- Publication date Jan 4, 2007
- James R. Dunphy
- E21 - EARTH DRILLING MINING