Normann Fischer

Person

Colfax, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Line reactor protection security using local frequency measurement
- Patent number 12,176,716
- Issue date Dec 24, 2024
- Schweitzer Engineering Laboratories, Inc.
- Ritwik Chowdhury
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Accurate modeling of equipment overexcitation damage curves
- Patent number 11,631,972
- Issue date Apr 18, 2023
- Schweitzer Engineering Laboratories, Inc.
- Ritwik Chowdhury
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Secure and dependable restricted earth fault protection for electri...
- Patent number 11,411,390
- Issue date Aug 9, 2022
- Schweitzer Engineering Laboratories, Inc.
- Ritwik Chowdhury
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Generator rotor turn-to-turn fault detection using fractional harmo...
- Patent number 11,316,455
- Issue date Apr 26, 2022
- Schweitzer Engineering Laboratories, Inc.
- Matchyaraju Alla
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Generator loss-of-field protection
- Patent number 11,196,369
- Issue date Dec 7, 2021
- Schweitzer Engineering Laboratories, Inc.
- Matchyaraju Alla
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Broken conductor detection in a multiple-phase electric power deliv...
- Patent number 11,143,715
- Issue date Oct 12, 2021
- Schweitzer Engineering Laboratories, Inc.
- Jordan Bell
- G01 - MEASURING TESTING
Information Patent Grant
High-impedance fault detection using wireless current transformers
- Patent number 10,962,608
- Issue date Mar 30, 2021
- Schweitzer Engineering Laboratories, Inc.
- Normann Fischer
- G01 - MEASURING TESTING
Information Patent Grant
Security improvements for electric power generator protection
- Patent number 10,819,261
- Issue date Oct 27, 2020
- Schweitzer Engineering Laboratories, Inc.
- Ritwik Chowdhury
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Detection of transient high torque events associated with rotating...
- Patent number 10,753,976
- Issue date Aug 25, 2020
- Schweitzer Engineering Laboratories, Inc.
- Dale S. Finney
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Overcurrent element in time domain
- Patent number 10,522,995
- Issue date Dec 31, 2019
- Schweitzer Engineering Laboratories, Inc.
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Detection of cross-country faults
- Patent number 10,474,142
- Issue date Nov 12, 2019
- Schweitzer Engineering Laboratories, Inc.
- Dennis Haes
- G05 - CONTROLLING REGULATING
Information Patent Grant
Systems and methods for routing sampled values upon loss of primary...
- Patent number 10,379,991
- Issue date Aug 13, 2019
- Schweitzer Engineering Laboratories, Inc.
- Qiaoyin Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems and methods for monitoring and protecting an electric power...
- Patent number 10,288,688
- Issue date May 14, 2019
- Schweitzer Engineering Laboratories, Inc.
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for system-wide digital process bus fault recor...
- Patent number 10,270,859
- Issue date Apr 23, 2019
- Schweitzer Engineering Laboratories, Inc.
- Qiaoyin Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Validation of electric power system monitoring systems
- Patent number 9,435,835
- Issue date Sep 6, 2016
- Schweitzer Engineering Laboratories, Inc.
- Matthew B. Watkins
- G01 - MEASURING TESTING
Information Patent Grant
Detection of a fault in an ungrounded electric power distribution s...
- Patent number 9,128,140
- Issue date Sep 8, 2015
- Schweitzer Engineering Laboratories, Inc.
- Normann Fischer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Leveraging inherent redundancy in a multifunction IED
- Patent number 9,007,731
- Issue date Apr 14, 2015
- Schweitzer Engineering Laboratories, Inc.
- Dale S. Finney
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric power system automation using time coordinated instructions
- Patent number 8,682,496
- Issue date Mar 25, 2014
- Schweitzer Engineering Laboratories Inc.
- Edmund O. Schweitzer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Equivalent alpha plane fault determination for a multi-terminal pow...
- Patent number 8,649,142
- Issue date Feb 11, 2014
- Schweitzer Engineering Laboratories Inc.
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Line current differential protection upon loss of an external time...
- Patent number 8,559,146
- Issue date Oct 15, 2013
- Schweitzer Engineering Laboratories Inc.
- Bogdan Z. Kasztenny
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transformer differential protection
- Patent number 8,553,379
- Issue date Oct 8, 2013
- Schweitzer Engineering Laboratories Inc.
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Minimizing circulating current using time-aligned data
- Patent number 8,321,162
- Issue date Nov 27, 2012
- Schweitzer Engineering Laboratories Inc.
- Casper A. Labuschagne
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging current compensation for line current differential protection
- Patent number 8,289,668
- Issue date Oct 16, 2012
- Schweitzer Engineering Laboratories, Inc.
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric power system automation using time coordinated instructions
- Patent number 8,275,486
- Issue date Sep 25, 2012
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer, III
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric power system automation using time coordinated instructions
- Patent number 8,275,487
- Issue date Sep 25, 2012
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer, III
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric power system automation using time coordinated instructions
- Patent number 8,275,485
- Issue date Sep 25, 2012
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer, III
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential element with harmonic blocking and harmonic restraint...
- Patent number 8,194,374
- Issue date Jun 5, 2012
- Schweitzser Engineering Laboratories, Inc.
- Armando Guzman-Casillas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Line current differential protection upon loss of an external time...
- Patent number 8,154,836
- Issue date Apr 10, 2012
- Schweitzer Engineering Laboratories, Inc.
- Bogdan Z. Kasztenny
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transformer through-fault current monitor
- Patent number 8,031,447
- Issue date Oct 4, 2011
- Schweitzer Engineering Laboratories, Inc.
- Armando Guzman-Casillas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method to zero-sequence verify ground return path integr...
- Patent number 7,940,054
- Issue date May 10, 2011
- Schweitzer Engineering Laboratories, Inc.
- Casper A. Labuschagne
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
HIGH-IMPEDANCE DIFFERENTIAL PROTECTION USING A DIVERSITY OF SIGNALS
- Publication number 20240250518
- Publication date Jul 25, 2024
- Schweitzer Engineering Laboratories, Inc.
- Normann Fischer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LINE REACTOR PROTECTION SECURITY USING LOCAL FREQUENCY MEASUREMENT
- Publication number 20240097449
- Publication date Mar 21, 2024
- Schweitzer Engineering Laboratories, Inc.
- Ritwik Chowdhury
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SPLIT-PHASE PROTECTION OF GENERATORS
- Publication number 20240072697
- Publication date Feb 29, 2024
- Schweitzer Engineering Laboratories, Inc.
- Ritwik Chowdhury
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BREAKER CONTROL UNITS AND RELATED SYSTEMS AND METHODS
- Publication number 20240022112
- Publication date Jan 18, 2024
- Schweitzer Engineering Laboratories, Inc.
- Ritwik Chowdhury
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SECURE AND DEPENDABLE RESTRICTED EARTH FAULT PROTECTION FOR ELECTRI...
- Publication number 20220209525
- Publication date Jun 30, 2022
- Schweitzer Engineering Laboratories, Inc.
- Ritwik Chowdhury
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ACCURATE MODELING OF EQUIPMENT OVEREXCITATION DAMAGE CURVES
- Publication number 20220190581
- Publication date Jun 16, 2022
- Schweitzer Engineering Laboratories, Inc.
- Ritwik Chowdhury
- G01 - MEASURING TESTING
Information Patent Application
HIGH-IMPEDANCE FAULT DETECTION USING WIRELESS CURRENT TRANSFORMERS
- Publication number 20210109147
- Publication date Apr 15, 2021
- Schweitzer Engineering Laboratories, Inc.
- Normann Fischer
- G01 - MEASURING TESTING
Information Patent Application
GENERATOR ROTOR TURN-TO-TURN FAULT DETECTION USING FRACTIONAL HARMO...
- Publication number 20210067072
- Publication date Mar 4, 2021
- Schweitzer Engineering Laboratories, Inc.
- Matchyaraju Alla
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BROKEN CONDUCTOR DETECTION IN A MULTIPLE-PHASE ELECTRIC POWER DELIV...
- Publication number 20210048486
- Publication date Feb 18, 2021
- Schweitzer Engineering Laboratories, Inc.
- Jordan Bell
- G01 - MEASURING TESTING
Information Patent Application
GENERATOR LOSS-OF-FIELD PROTECTION
- Publication number 20200076338
- Publication date Mar 5, 2020
- Schweitzer Engineering Laboratories, Inc.
- Matchyaraju Alla
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DETECTION OF TRANSIENT HIGH-TORQUE EVENTS
- Publication number 20190113575
- Publication date Apr 18, 2019
- Schweitzer Engineering Laboratories, Inc.
- Dale S. Finney
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DETECTION OF CROSS-COUNTRY FAULTS
- Publication number 20190094845
- Publication date Mar 28, 2019
- Schweitzer Engineering Laboratories, Inc.
- Dennis Haes
- G05 - CONTROLLING REGULATING
Information Patent Application
SYSTEMS AND METHODS FOR SYSTEM-WIDE DIGITAL PROCESS BUS FAULT RECOR...
- Publication number 20180109114
- Publication date Apr 19, 2018
- Schweitzer Engineering Laboratories, Inc.
- Qiaoyin Yang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS FOR ROUTING SAMPLED VALUES UPON LOSS OF PRIMARY...
- Publication number 20180089057
- Publication date Mar 29, 2018
- Schweitzer Engineering Laboratories, Inc.
- Qiaoyin Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Overcurrent Element in Time Domain
- Publication number 20170358913
- Publication date Dec 14, 2017
- Schweitzer Engineering Laboratories, Inc.
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS FOR MONITORING AND PROTECTING AN ELECTRIC POWER...
- Publication number 20160025811
- Publication date Jan 28, 2016
- Schweitzer Engineering Laboratories, Inc.
- Bogdan Z. Kasztenny
- G01 - MEASURING TESTING
Information Patent Application
DETECTION OF A FAULT IN AN UNGROUNDED ELECTRIC POWER DISTRIBUTION S...
- Publication number 20150077133
- Publication date Mar 19, 2015
- Schweitzer Engineering Laboratories, Inc.
- Normann Fischer
- G01 - MEASURING TESTING
Information Patent Application
LEVERAGING INHERENT REDUNDANCY IN A MULTIFUNCTION IED
- Publication number 20130250458
- Publication date Sep 26, 2013
- Dale S. Finney
- G01 - MEASURING TESTING
Information Patent Application
Electric Power System Automation Using Time Coordinated Instructions
- Publication number 20120323397
- Publication date Dec 20, 2012
- Schweitzer Engineering Laboratories, Inc.
- Edmund O. Schweitzer, III
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LINE CURRENT DIFFERENTIAL PROTECTION UPON LOSS OF AN EXTERNAL TIME...
- Publication number 20120162843
- Publication date Jun 28, 2012
- Bogdan Z. Kasztenny
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VALIDATION OF ELECTRIC POWER SYSTEM MONITORING SYSTEMS
- Publication number 20120166141
- Publication date Jun 28, 2012
- Matthew B. Watkins
- G01 - MEASURING TESTING
Information Patent Application
EQUIVALENT ALPHA PLANE FAULT DETERMINATION FOR A MULTI-TERMINAL POW...
- Publication number 20110063769
- Publication date Mar 17, 2011
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGING CURRENT COMPENSATION FOR LINE CURRENT DIFFERENTIAL PROTECTION
- Publication number 20110063767
- Publication date Mar 17, 2011
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Transformer Differential Protection
- Publication number 20110063761
- Publication date Mar 17, 2011
- Bogdan Z. Kasztenny
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LINE CURRENT DIFFERENTIAL PROTECTION UPON LOSS OF AN EXTERNAL TIME...
- Publication number 20110063766
- Publication date Mar 17, 2011
- Bogdan Z. Kasztenny
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRIC POWER SYSTEM AUTOMATION USING TIME COORDINATED INSTRUCTIONS
- Publication number 20110035065
- Publication date Feb 10, 2011
- Edmund O. Schweitzer, III
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTRIC POWER SYSTEM AUTOMATION USING TIME COORDINATED INSTRUCTIONS
- Publication number 20110035066
- Publication date Feb 10, 2011
- Edmund O. Schweitzer, III
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTRIC POWER SYSTEM AUTOMATION USING TIME COORDINATED INSTRUCTIONS
- Publication number 20110035076
- Publication date Feb 10, 2011
- Edmund O. Schweitzer, III
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DIFFERENTIAL ELEMENT WITH HARMONIC BLOCKING AND HARMONIC RESTRAINT...
- Publication number 20100264749
- Publication date Oct 21, 2010
- Armando Guzman-Casillas
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
MINIMIZING CIRCULATING CURRENT USING TIME-ALIGNED DATA
- Publication number 20100125373
- Publication date May 20, 2010
- Casper A. Labuschagne
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Normann Fischer

Person

Patents Grantslast 30 patents

Line reactor protection security using local frequency measurement

Accurate modeling of equipment overexcitation damage curves

Secure and dependable restricted earth fault protection for electri...

Generator rotor turn-to-turn fault detection using fractional harmo...

Generator loss-of-field protection

Broken conductor detection in a multiple-phase electric power deliv...

High-impedance fault detection using wireless current transformers

Security improvements for electric power generator protection

Detection of transient high torque events associated with rotating...

Overcurrent element in time domain

Detection of cross-country faults

Systems and methods for routing sampled values upon loss of primary...

Systems and methods for monitoring and protecting an electric power...

Systems and methods for system-wide digital process bus fault recor...

Validation of electric power system monitoring systems

Detection of a fault in an ungrounded electric power distribution s...

Leveraging inherent redundancy in a multifunction IED

Electric power system automation using time coordinated instructions

Equivalent alpha plane fault determination for a multi-terminal pow...

Line current differential protection upon loss of an external time...

Transformer differential protection

Minimizing circulating current using time-aligned data

Charging current compensation for line current differential protection

Electric power system automation using time coordinated instructions

Electric power system automation using time coordinated instructions

Electric power system automation using time coordinated instructions

Differential element with harmonic blocking and harmonic restraint...

Line current differential protection upon loss of an external time...

Transformer through-fault current monitor

System and method to zero-sequence verify ground return path integr...

Patents Applicationslast 30 patents

HIGH-IMPEDANCE DIFFERENTIAL PROTECTION USING A DIVERSITY OF SIGNALS

LINE REACTOR PROTECTION SECURITY USING LOCAL FREQUENCY MEASUREMENT

SPLIT-PHASE PROTECTION OF GENERATORS

BREAKER CONTROL UNITS AND RELATED SYSTEMS AND METHODS

SECURE AND DEPENDABLE RESTRICTED EARTH FAULT PROTECTION FOR ELECTRI...

ACCURATE MODELING OF EQUIPMENT OVEREXCITATION DAMAGE CURVES

HIGH-IMPEDANCE FAULT DETECTION USING WIRELESS CURRENT TRANSFORMERS

GENERATOR ROTOR TURN-TO-TURN FAULT DETECTION USING FRACTIONAL HARMO...

BROKEN CONDUCTOR DETECTION IN A MULTIPLE-PHASE ELECTRIC POWER DELIV...

GENERATOR LOSS-OF-FIELD PROTECTION

DETECTION OF TRANSIENT HIGH-TORQUE EVENTS

DETECTION OF CROSS-COUNTRY FAULTS

SYSTEMS AND METHODS FOR SYSTEM-WIDE DIGITAL PROCESS BUS FAULT RECOR...

SYSTEMS AND METHODS FOR ROUTING SAMPLED VALUES UPON LOSS OF PRIMARY...

Overcurrent Element in Time Domain

SYSTEMS AND METHODS FOR MONITORING AND PROTECTING AN ELECTRIC POWER...

DETECTION OF A FAULT IN AN UNGROUNDED ELECTRIC POWER DISTRIBUTION S...

LEVERAGING INHERENT REDUNDANCY IN A MULTIFUNCTION IED

Electric Power System Automation Using Time Coordinated Instructions

LINE CURRENT DIFFERENTIAL PROTECTION UPON LOSS OF AN EXTERNAL TIME...

VALIDATION OF ELECTRIC POWER SYSTEM MONITORING SYSTEMS

EQUIVALENT ALPHA PLANE FAULT DETERMINATION FOR A MULTI-TERMINAL POW...

CHARGING CURRENT COMPENSATION FOR LINE CURRENT DIFFERENTIAL PROTECTION

Transformer Differential Protection

LINE CURRENT DIFFERENTIAL PROTECTION UPON LOSS OF AN EXTERNAL TIME...

ELECTRIC POWER SYSTEM AUTOMATION USING TIME COORDINATED INSTRUCTIONS

ELECTRIC POWER SYSTEM AUTOMATION USING TIME COORDINATED INSTRUCTIONS

ELECTRIC POWER SYSTEM AUTOMATION USING TIME COORDINATED INSTRUCTIONS

DIFFERENTIAL ELEMENT WITH HARMONIC BLOCKING AND HARMONIC RESTRAINT...

MINIMIZING CIRCULATING CURRENT USING TIME-ALIGNED DATA