Schweitzer Engineering Labs, Inc.

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Pullman, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual protective relay for power systems
- Patent number 6,567,256
- Issue date May 20, 2003
- Schweitzer Engineering Labs, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System for obtaining phase-ground voltages from a broken delta VT v...
- Patent number 6,560,132
- Issue date May 6, 2003
- Schweitzer Engineering Labs., Inc.
- Jeffrey B. Roberts
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System for power transformer differential protection
- Patent number 6,356,421
- Issue date Mar 12, 2002
- Schweitzer Engineering Labs., Inc.
- Armando Guzman-Casillas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System for detecting certain erroneous fault-indicating data in a p...
- Patent number 5,477,408
- Issue date Dec 19, 1995
- Schweitzer Engineering Labs, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for reducing communication system downtime whe...
- Publication number 20100002879
- Publication date Jan 7, 2010
- SCHWEITZER ENGINEERING LABS
- Allen D. Risley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and methods for learning and mimicking the communications o...
- Publication number 20060247911
- Publication date Nov 2, 2006
- Schweitzer Engineering Labs., Inc.
- David M. Nieuwsma
- G06 - COMPUTING CALCULATING COUNTING

Trademarklast 30 trademarks