Inventor

ZHIYUAN CHENG

Inventor
CN

Overview

2→
Patents
2022–2025
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

A01Gprimary
A01GHorticulture20%
C02FTreatment of water, waste water, sewage, or sludge20%
C21DModifying the physical structure of ferrous metals20%
C22CAlloys20%
E02BHydraulic engineering20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to MAANSHAN IRON & STEEL CO LTD (1)· patent assignee history
2022Patents assigned to MAGANG GROUP HOLDING CO LTD (1)· patent assignee history
2022Patents assigned to NMAGANG GROUP HOLDING CO LTD (1)· patent assignee history
2022–2025Based in CN· patent location history
2025Patents assigned to ANHUI SURVEY & DESIGN INST OF WATER RESOURCES & HYDROPOWER CO LTD (1)· patent assignee history
2025Patents assigned to CHANGJIANG WATER RESOURCES PROT INSTITUTE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ANHUI SURVEY & DESIGN INST OF WATER RESOURCES & HYDROPOWER CO LTD12025
CHANGJIANG WATER RESOURCES PROT INSTITUTE12025
MAANSHAN IRON & STEEL CO LTD12022
MAGANG GROUP HOLDING CO LTD12022
NMAGANG GROUP HOLDING CO LTD12022
Locations
LocationPatentsSpan
CN22022–2025