SchlumbergerSema Inc.

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Organization

Alpharetta, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Bandpass processing of a spread spectrum signal
- Patent number 6,741,638
- Issue date May 25, 2004
- SchlumbergerSema Inc.
- Erik A. Ramberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitter tolerant to crystal variations
- Patent number 6,677,862
- Issue date Jan 13, 2004
- SchlumbergerSema Inc.
- Thomas Sean Houlihane
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electricity meter
- Patent number 6,617,978
- Issue date Sep 9, 2003
- SchlumbergerSema Inc.
- Ronald E. Ridenour
- G08 - SIGNALLING

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Patents Applicationslast 30 patents

Information Patent Application
Magnetic field sensing for tamper identification
- Publication number 20040021568
- Publication date Feb 5, 2004
- SchlumbergerSema Inc.
- Brian Keith Seal
- G01 - MEASURING TESTING
Information Patent Application
Field selectable communication network
- Publication number 20040004555
- Publication date Jan 8, 2004
- SchlumbergerSema Inc.
- Brent Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of using flash memory for storing metering data
- Publication number 20030201904
- Publication date Oct 30, 2003
- SchlumbergerSema Inc.,
- Brian K. Seal
- G11 - INFORMATION STORAGE