Dhruba P. Das

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Coatesville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Arc flash protection system with self-test
- Patent number 9,653,904
- Issue date May 16, 2017
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Arc flash protection system with self-test
- Patent number 9,046,391
- Issue date Jun 2, 2015
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Arc flash protection with self-test
- Patent number 8,319,173
- Issue date Nov 27, 2012
- Schweitzer Engineering Laboratories Inc.
- Edmund O. Schweitzer, III
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for monitoring differentials between signals
- Patent number 5,586,043
- Issue date Dec 17, 1996
- General Electric Company
- Tom Breen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CONFIGURABLE MULTI-SENSOR INPUT
- Publication number 20240077868
- Publication date Mar 7, 2024
- Schweitzer Engineering Laboratories, Inc.
- Veselin Skendzic
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ARC FLASH PROTECTION SYSTEM WITH SELF-TEST
- Publication number 20150244160
- Publication date Aug 27, 2015
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Arc Flash Protection System with Self-Test
- Publication number 20120312977
- Publication date Dec 13, 2012
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer, III
- G01 - MEASURING TESTING
Information Patent Application
ARC FLASH PROTECTION WITH SELF-TEST
- Publication number 20100072355
- Publication date Mar 25, 2010
- Edmund O. Schweitzer, III
- G01 - MEASURING TESTING