Inventor

DUAN HAO

US7 patents

⚠️ This page may combine multiple inventors who share the name “DUAN HAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HANGZHOU QULIAN TECH CO LTD

2 patents

US12541531B2Feb 3, 2026

Consensus method and apparatus for blockchain, server and storage medium

HANGZHOU QULIAN TECH CO LTD0 citations47

US11841778B2Dec 12, 2023

Method and system for active failure recovery of single node improved based on PBFT algorithm, computer device and storage medium

HANGZHOU QULIAN TECH CO LTD0 citations47

BROOKS INSTR LLC

1 patent

US7991510B2Aug 2, 2011

Flow measurement and control with bubble detection

BROOKS INSTR LLC21 citations88

CELERITY INC

1 patent

US7117104B2Oct 3, 2006

Ultrasonic liquid flow controller

CELERITY INC42 citations88

UNIV XI AN JIAOTONG

1 patent

US12313015B2May 27, 2025

Internal combustion engine with external circulation system and working method thereof

UNIV XI AN JIAOTONG0 citations49

MPI CORP

1 patent

US11162996B2Nov 2, 2021

Probing apparatus equipped with heating device for light emitting chip

MPI CORP0 citations45

FINE BLEND POLYMER SHANGHAI CO LTD

1 patent

US12221501B2Feb 11, 2025

Solvent-free adhesion-promoting chain extender, preparation method therefor, and application thereof

FINE BLEND POLYMER SHANGHAI CO LTD0 citations41