Lei Liu

Person

San Ramon, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for detecting health status of a bolt that fasten...
- Patent number 11,402,286
- Issue date Aug 2, 2022
- Shuangwen Liu
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Methods and systems for pipe wall thickness detection
- Patent number 11,340,195
- Issue date May 24, 2022
- Shuangwen Liu
- G01 - MEASURING TESTING
Information Patent Grant
Method for extending detection range of a structural health monitor...
- Patent number 11,169,118
- Issue date Nov 9, 2021
- Chang Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Networking method and system for wireless networks
- Patent number 11,076,438
- Issue date Jul 27, 2021
- Shuangwen Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for monitoring of welding joints with in-situ...
- Patent number 10,775,350
- Issue date Sep 15, 2020
- Chang Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Train coupler structural health monitoring system
- Patent number 10,618,532
- Issue date Apr 14, 2020
- Chang Zhang
- B61 - RAILWAYS
Information Patent Grant
Photo ionization detector with self-calibration
- Patent number 10,101,298
- Issue date Oct 16, 2018
- Chang Zhang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
FORCE SENSING METHODS AND APPARATUS
- Publication number 20230095705
- Publication date Mar 30, 2023
- Jiaxing Bogan Technology Co., Ltd.
- Shuangwen Liu
- G01 - MEASURING TESTING
Information Patent Application
NETWORKING METHOD AND SYSTEM FOR WIRELESS NETWORKS
- Publication number 20210100055
- Publication date Apr 1, 2021
- Zhejiang Future Technology Institute (jiaxing)
- Shuangwen Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR DETECTING HEALTH STATUS OF A BOLT THAT FASTEN...
- Publication number 20210063261
- Publication date Mar 4, 2021
- Zhejiang Future Technology Institute (jiaxing)
- Shuangwen Liu
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
METHOD AND SYSTEM FOR DETECTING TIGHTNESS STATE OF BOLT OR NUT
- Publication number 20210033393
- Publication date Feb 4, 2021
- Zhejiang Future Technology Institute (jiaxing)
- Shuangwen Liu
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
METHODS AND SYSTEMS FOR PIPE WALL THICKNESS DETECTION
- Publication number 20200300812
- Publication date Sep 24, 2020
- Zhejiang Future Technology Institute (jiaxing)
- Shuangwen Liu
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR MONITORING OF WELDING JOINTS WITH IN-SITU...
- Publication number 20200072793
- Publication date Mar 5, 2020
- Jiaxing Broadsens Technology, Ltd.
- Chang Zhang
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND SYSTEM FOR MONITORING STRUCTURAL STATUS OF RAILCAR DRAFT...
- Publication number 20190178754
- Publication date Jun 13, 2019
- Jiaxing Broadsens Technology, Ltd.
- Chang Zhang
- B61 - RAILWAYS
Information Patent Application
Method for Extending Detection Range of a Structural Health Monitor...
- Publication number 20180356366
- Publication date Dec 13, 2018
- Broadsens Corp.
- Chang Zhang
- G01 - MEASURING TESTING
Information Patent Application
Photo Ionization Detector with Self-Calibration
- Publication number 20180299406
- Publication date Oct 18, 2018
- Broadsens Corp.
- Chang Zhang
- G01 - MEASURING TESTING
Information Patent Application
Train Pantograph Structural Health Monitoring System
- Publication number 20180208222
- Publication date Jul 26, 2018
- Broadsens Corp.
- Chang Zhang
- B61 - RAILWAYS
Information Patent Application
MECHANICALLY STRENGTHENED PIEZOELECTRIC SENSOR FOR STRUCTURAL HEALT...
- Publication number 20180190897
- Publication date Jul 5, 2018
- Broadsens Corp.
- Chang Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM AND DEVICE FOR AIR QUALITY MONITORING AND CONTROL ON A TRAIN
- Publication number 20180178613
- Publication date Jun 28, 2018
- Broadsens Corp.
- Chang Zhang
- B60 - VEHICLES IN GENERAL
Information Patent Application
Train Coupler Structural Health Monitoring System
- Publication number 20180162423
- Publication date Jun 14, 2018
- Broadsens Corp.
- Chang Zhang
- B61 - RAILWAYS
Information Patent Application
Device and System for Structural Health Monitoring
- Publication number 20170160243
- Publication date Jun 8, 2017
- Broadsens Corp.
- Chang Zhang
- G01 - MEASURING TESTING

Person

Patents Grantslast 30 patents

Method and system for detecting health status of a bolt that fasten...

Methods and systems for pipe wall thickness detection

Method for extending detection range of a structural health monitor...

Networking method and system for wireless networks

Apparatus and method for monitoring of welding joints with in-situ...

Train coupler structural health monitoring system

Photo ionization detector with self-calibration

Patents Applicationslast 30 patents

FORCE SENSING METHODS AND APPARATUS

NETWORKING METHOD AND SYSTEM FOR WIRELESS NETWORKS

METHOD AND SYSTEM FOR DETECTING HEALTH STATUS OF A BOLT THAT FASTEN...

METHOD AND SYSTEM FOR DETECTING TIGHTNESS STATE OF BOLT OR NUT

METHODS AND SYSTEMS FOR PIPE WALL THICKNESS DETECTION

APPARATUS AND METHOD FOR MONITORING OF WELDING JOINTS WITH IN-SITU...

METHOD AND SYSTEM FOR MONITORING STRUCTURAL STATUS OF RAILCAR DRAFT...

Method for Extending Detection Range of a Structural Health Monitor...

Photo Ionization Detector with Self-Calibration

Train Pantograph Structural Health Monitoring System

MECHANICALLY STRENGTHENED PIEZOELECTRIC SENSOR FOR STRUCTURAL HEALT...

SYSTEM AND DEVICE FOR AIR QUALITY MONITORING AND CONTROL ON A TRAIN

Train Coupler Structural Health Monitoring System

Device and System for Structural Health Monitoring