Kei Hao

Person

Pullman, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Controlling feeder units for self-restoration of power
- Patent number 12,288,983
- Issue date Apr 29, 2025
- Google LLC
- Hammad Ahmad Khan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods to identify open phases of a capacitor bank
- Patent number 11,808,824
- Issue date Nov 7, 2023
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Grant
Intelligent electronic device control using wirelessly transmitted...
- Patent number 11,698,398
- Issue date Jul 11, 2023
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wireless neutral current sensor (WNCS)
- Patent number 11,614,498
- Issue date Mar 28, 2023
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Automatically determining the size of a capacitor bank using wirele...
- Patent number 11,549,996
- Issue date Jan 10, 2023
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Grant
Fault direction calculation during current transformer saturation
- Patent number 11,474,139
- Issue date Oct 18, 2022
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Determining the size of a capacitor bank
- Patent number 11,435,403
- Issue date Sep 6, 2022
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Grant
Electric power distribution sectionalizing in high-risk areas using...
- Patent number 11,431,161
- Issue date Aug 30, 2022
- Schweitzer Engineering Laboratories, Inc.
- David Walter Keckalo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Predictive maintenance of protective devices using wireless line se...
- Patent number 11,372,045
- Issue date Jun 28, 2022
- Schweitzer Engineering Laboratories, Inc.
- Shankar V. Achanta
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for determining load direction under adverse en...
- Patent number 11,313,887
- Issue date Apr 26, 2022
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Grant
Intelligent electronic device control using wirelessly transmitted...
- Patent number 11,268,995
- Issue date Mar 8, 2022
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Grant
Multi-phase sensing and control using a combination of line post se...
- Patent number 11,209,465
- Issue date Dec 28, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fault current calculation during transformer saturation using the w...
- Patent number 11,162,994
- Issue date Nov 2, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Grant
Bidirectional capacitor bank control
- Patent number 11,114,858
- Issue date Sep 7, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Intelligent electronic device control using wirelessly transmitted...
- Patent number 11,099,220
- Issue date Aug 24, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Grant
Bidirectional capacitor bank control
- Patent number 11,075,519
- Issue date Jul 27, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G05 - CONTROLLING REGULATING
Information Patent Grant
Event direction in line sensors
- Patent number 10,830,832
- Issue date Nov 10, 2020
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Grant
Fault magnitude calculation during current transformer saturation
- Patent number 10,637,233
- Issue date Apr 28, 2020
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Protection And Control Scheme For Utility Tie And Industrial Cogene...
- Publication number 20250112467
- Publication date Apr 3, 2025
- Google LLC
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Distributed Main-Tie-Tie-Main Transfer Control Scheme
- Publication number 20250112455
- Publication date Apr 3, 2025
- Google LLC
- Hammad Ahmad Khan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Controlling Feeder Units For Self-Restoration Of Power
- Publication number 20240204517
- Publication date Jun 20, 2024
- Google LLC
- Hammad Ahmad Khan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEMS AND METHODS FOR IDENTIFYING ELECTRIC POWER DELIVERY SYSTEM...
- Publication number 20230024645
- Publication date Jan 26, 2023
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS TO IDENTIFY OPEN PHASES OF A CAPACITOR BANK
- Publication number 20220299579
- Publication date Sep 22, 2022
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Application
FREQUENCY ESTIMATION AND TRACKING USING CURRENT
- Publication number 20220178976
- Publication date Jun 9, 2022
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Application
INTELLIGENT ELECTRONIC DEVICE CONTROL USING WIRELESSLY TRANSMITTED...
- Publication number 20220146557
- Publication date May 12, 2022
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Application
ELECTRIC POWER DISTRIBUTION SECTIONALIZING IN HIGH-RISK AREAS USING...
- Publication number 20210281062
- Publication date Sep 9, 2021
- Schweitzer Engineering Laboratories, Inc.
- David Walter Keckalo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FAULT CURRENT CALCULATION DURING TRANSFORMER SATURATION USING THE W...
- Publication number 20210231723
- Publication date Jul 29, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Application
PREDICTIVE MAINTENANCE OF PROTECTIVE DEVICES USING WIRELESS LINE SE...
- Publication number 20210231736
- Publication date Jul 29, 2021
- Schweitzer Engineering Laboratories, Inc.
- Shankar V. Achanta
- G01 - MEASURING TESTING
Information Patent Application
INTELLIGENT ELECTRONIC DEVICE CONTROL USING WIRELESSLY TRANSMITTED...
- Publication number 20210109141
- Publication date Apr 15, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTELLIGENT ELECTRONIC DEVICE CONTROL USING WIRELESSLY TRANSMITTED...
- Publication number 20210109135
- Publication date Apr 15, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Application
METHODS TO AUTOMATICALLY ASSOCIATE WIRELESS CURRENT SENSORS WITH VO...
- Publication number 20210109136
- Publication date Apr 15, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Application
BIDIRECTIONAL CAPACITOR BANK CONTROL
- Publication number 20210109558
- Publication date Apr 15, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR DETERMINING LOAD DIRECTION UNDER ADVERSE EN...
- Publication number 20210109137
- Publication date Apr 15, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Application
WIRELESS NEUTRAL CURRENT SENSOR (WNCS)
- Publication number 20210102985
- Publication date Apr 8, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DETERMINING THE SIZE OF A CAPACITOR BANK
- Publication number 20210088595
- Publication date Mar 25, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Application
MULTI-PHASE SENSING AND CONTROL USING A COMBINATION OF LINE POST SE...
- Publication number 20210088555
- Publication date Mar 25, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING
Information Patent Application
BIDIRECTIONAL CAPACITOR BANK CONTROL
- Publication number 20210083478
- Publication date Mar 18, 2021
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Fault Direction Calculation During Current Transformer Saturation
- Publication number 20200319240
- Publication date Oct 8, 2020
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FAULT MAGNITUDE CALCULATION DURING CURRENT TRANSFORMER SATURATION
- Publication number 20190386485
- Publication date Dec 19, 2019
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
EVENT DIRECTION IN LINE SENSORS
- Publication number 20190331722
- Publication date Oct 31, 2019
- Schweitzer Engineering Laboratories, Inc.
- Kei Hao
- G01 - MEASURING TESTING

Person

Patents Grantslast 30 patents

Controlling feeder units for self-restoration of power

Systems and methods to identify open phases of a capacitor bank

Intelligent electronic device control using wirelessly transmitted...

Wireless neutral current sensor (WNCS)

Automatically determining the size of a capacitor bank using wirele...

Fault direction calculation during current transformer saturation

Determining the size of a capacitor bank

Electric power distribution sectionalizing in high-risk areas using...

Predictive maintenance of protective devices using wireless line se...

Systems and methods for determining load direction under adverse en...

Intelligent electronic device control using wirelessly transmitted...

Multi-phase sensing and control using a combination of line post se...

Fault current calculation during transformer saturation using the w...

Bidirectional capacitor bank control

Intelligent electronic device control using wirelessly transmitted...

Bidirectional capacitor bank control

Event direction in line sensors

Fault magnitude calculation during current transformer saturation

Patents Applicationslast 30 patents

Protection And Control Scheme For Utility Tie And Industrial Cogene...

Distributed Main-Tie-Tie-Main Transfer Control Scheme

Controlling Feeder Units For Self-Restoration Of Power

SYSTEMS AND METHODS FOR IDENTIFYING ELECTRIC POWER DELIVERY SYSTEM...

SYSTEMS AND METHODS TO IDENTIFY OPEN PHASES OF A CAPACITOR BANK

FREQUENCY ESTIMATION AND TRACKING USING CURRENT

INTELLIGENT ELECTRONIC DEVICE CONTROL USING WIRELESSLY TRANSMITTED...

ELECTRIC POWER DISTRIBUTION SECTIONALIZING IN HIGH-RISK AREAS USING...

FAULT CURRENT CALCULATION DURING TRANSFORMER SATURATION USING THE W...

PREDICTIVE MAINTENANCE OF PROTECTIVE DEVICES USING WIRELESS LINE SE...

INTELLIGENT ELECTRONIC DEVICE CONTROL USING WIRELESSLY TRANSMITTED...

INTELLIGENT ELECTRONIC DEVICE CONTROL USING WIRELESSLY TRANSMITTED...

METHODS TO AUTOMATICALLY ASSOCIATE WIRELESS CURRENT SENSORS WITH VO...

BIDIRECTIONAL CAPACITOR BANK CONTROL

SYSTEMS AND METHODS FOR DETERMINING LOAD DIRECTION UNDER ADVERSE EN...

WIRELESS NEUTRAL CURRENT SENSOR (WNCS)

DETERMINING THE SIZE OF A CAPACITOR BANK

MULTI-PHASE SENSING AND CONTROL USING A COMBINATION OF LINE POST SE...

BIDIRECTIONAL CAPACITOR BANK CONTROL

Fault Direction Calculation During Current Transformer Saturation

FAULT MAGNITUDE CALCULATION DURING CURRENT TRANSFORMER SATURATION

EVENT DIRECTION IN LINE SENSORS