Inventor
ZHU HAI
US25 patents
⚠️ This page may combine multiple inventors who share the name “ZHU HAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELECTRO INDUSTRIES/GAUGE TECH
10 patentsUS9897461B2Feb 20, 2018
Intelligent electronic device with expandable functionality
ELECTRO INDUSTRIES/GAUGE TECH6 citations84
US10303860B2May 28, 2019
Security through layers in an intelligent electronic device
ELECTRO INDUSTRIES/GAUGE TECH17 citations82
US11307227B2Apr 19, 2022
High speed digital transient waveform detection system and method for use in an intelligent electronic device
ELECTRO INDUSTRIES/GAUGE TECH2 citations73
US11644341B2May 9, 2023
Intelligent electronic device with hot swappable battery
ELECTRO INDUSTRIES/GAUGE TECH0 citations62
US11366145B2Jun 21, 2022
Intelligent electronic device with enhanced power quality monitoring and communications capability
ELECTRO INDUSTRIES/GAUGE TECH0 citations62
US11734396B2Aug 22, 2023
Security through layers in an intelligent electronic device
ELECTRO INDUSTRIES/GAUGE TECH0 citations61
US10739162B2Aug 11, 2020
Intelligent electronic device with surge supression
ELECTRO INDUSTRIES/GAUGE TECH0 citations52
US10274340B2Apr 30, 2019
Intelligent electronic device with expandable functionality
ELECTRO INDUSTRIES/GAUGE TECH0 citations52
US9927470B2Mar 27, 2018
Intelligent electronic device having a memory structure for preventing data loss upon power loss
ELECTRO INDUSTRIES/GAUGE TECH1 citations52
US12399520B2Aug 26, 2025
Phasor measurement units, synchrophasor systems and methods thereof
ELECTRO INDUSTRIES/GAUGE TECH0 citations50
SPANIER JOSEPH
5 patentsUS8700347B2Apr 15, 2014
Intelligent electronic device with enhanced power quality monitoring and communications capability
SPANIER JOSEPH49 citations97
US8190381B2May 29, 2012
Intelligent electronic device with enhanced power quality monitoring and communications capabilities
SPANIER JOSEPH91 citations97
US8666688B2Mar 4, 2014
High speed digital transient waveform detection system and method for use in an intelligent electronic device
SPANIER JOSEPH31 citations92
US8121801B2Feb 21, 2012
System and method for multi-rate concurrent waveform capture and storage for power quality metering
SPANIER JOSEPH31 citations92
US12061218B2Aug 13, 2024
System and method for multi-rate concurrent waveform capture and storage for power quality metering
SPANIER JOSEPH0 citations62
ELECTRO INDUSTRIES/GAUGETECH
2 patentsUS9989618B2Jun 5, 2018
Intelligent electronic device with constant calibration capabilities for high accuracy measurements
ELECTRO INDUSTRIES/GAUGETECH14 citations82
US11644490B2May 9, 2023
Digital power metering system with serial peripheral interface (SPI) multimaster communications
ELECTRO INDUSTRIES/GAUGETECH0 citations61