Inventor

GUOQUAN ZHANG

Inventor

Overview

2023–2025

Patent span

Physics

Primary field (CPC G)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G08Bprimary

G08BSignalling systems, e.g. personal calling systems14%

F01DNon-positive displacement machines or engines, e.g. steam turbines7%

F03GSpring, weight, inertia or like motors7%

F24SSolar heat collectors7%

G01CMeasuring distances, levels or bearings7%

G01MTesting static or dynamic balance of machines or structures7%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

G05DSystems for controlling or regulating non-electric variables7%

G06TImage data processing or generation, in general7%

G06VImage or video recognition or understanding7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to GUANGDONG NACRE HYDRAULIC CO LTD (1)· patent assignee history

2023Patents assigned to GUANGZHOU CHANGREN INDUSTRIAL TECH CO LTD (1)· patent assignee history

2023Patents assigned to UNIV CENTRAL SOUTH (1)· patent assignee history

2023Patents assigned to UNIV GUANGDONG POLYTECHNIC NORMAL (1)· patent assignee history

2023–2025Based in CN· patent location history

2024Patents assigned to ZHEJIANG DAHUA TECHNOLOGY CO (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ZHEJIANG DAHUA TECHNOLOGY CO	2	2024
GUANGDONG NACRE HYDRAULIC CO LTD	1	2023
GUANGZHOU CHANGREN INDUSTRIAL TECH CO LTD	1	2023
UNIV CENTRAL SOUTH	1	2023
UNIV GUANGDONG POLYTECHNIC NORMAL	1	2023

Locations

Location	Patents	Span
CN	4	2023–2025