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Matchyaraju Alla
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Pullman, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Split-phase protection of generators
Patent number
12,249,948
Issue date
Mar 11, 2025
Schweitzer Engineering Laboratories, Inc.
Ritwik Chowdhury
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Identifying conductor breaks by detecting series arcing
Patent number
12,153,079
Issue date
Nov 26, 2024
Schweitzer Engineering Laboratories, Inc.
Kanchanrao Gangadhar Dase
G01 - MEASURING TESTING
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
Breaker failure protection using reverse active power and negative...
Patent number
11,368,113
Issue date
Jun 21, 2022
Schweitzer Engineering Laboratories, Inc.
Matchyaraju Alla
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
Systems and methods for improving restricted earth fault protection
Patent number
11,177,645
Issue date
Nov 16, 2021
Schweitzer Engineering Laboratories, Inc.
Ritwik Chowdhury
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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
IDENTIFYING CONDUCTOR BREAKS BY DETECTING SERIES ARCING
Publication number
20230333153
Publication date
Oct 19, 2023
Schweitzer Engineering Laboratories, Inc.
Kanchanrao Gangadhar Dase
G01 - MEASURING TESTING
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
BREAKER FAILURE PROTECTION USING REVERSE ACTIVE POWER AND NEGATIVE...
Publication number
20210184607
Publication date
Jun 17, 2021
Schweitzer Engineering Laboratories, Inc.
Matchyaraju Alla
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYSTEMS AND METHODS FOR IMPROVING RESTRICTED EARTH FAULT PROTECTION
Publication number
20210159691
Publication date
May 27, 2021
Schweitzer Engineering Laboratories, Inc.
Ritwik Chowdhury
H01 - BASIC ELECTRIC ELEMENTS
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
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