Inventor

Hongyuan Fang

Inventor

Overview

16→

Patents

2021–2026

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 16 as inventor

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

F16Lprimary

F16LPipes17%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%

E02DFoundations9%

E03FSewers9%

E21BEarth or rock drilling4%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

G06NComputing arrangements based on specific computational models4%

G06VImage or video recognition or understanding4%

B25JManipulators2%

B63BShips or other waterborne vessels2%

PatentTitleYear

12,583,566Unmanned vessel-based maintenance decision-making method for diagnosing sedimentation in drainage pipelines and providing early warning for waterlogging2026 12,441,921Silicate-modified polymer grouting material for leakage plugging2025 12,428,519Silicate modified polymer foam material for filling and sealing2025 11,970,564Structural flame retardant high strength low exothermic polymer grouting material for consolidating2024 11,908,207Method for detecting road diseases by intelligent cruise via unmanned aerial vehicle, unmanned aerial vehicle and detecting system therefor2024 11,708,933Pipeline radar and television inspection robot2023 11,618,802Polymer expanding material used in infiltration or seepage watery environment and preparation method thereof2023 11,585,467Trenchless methods for forming curved hole channel with steel sleeve and pipeline lifting2023 11,473,713Trenchless integrative repair method for concrete drainage pipeline with cracking, corrosion and subsidence2022 11,346,487Support tool and back-pressure grouting device for leakage repair of inspection well and repair method thereof2022 11,319,690Assembled recyclable rectangular working well with preset detachable door opening and construction method thereof2022 11,274,784In-service repair method combining externally bonded pre-stressed FRP and polymer grouting for PCCP with broken wire2022 11,231,139Detecting and repairing method for external diseases of buried drainage pipeline2022 11,149,400Thin-slotting lifting synchronous grouting device and its usage method2021 11,149,399Track-type jet grouting integrated system2021 11,143,027Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereof2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to WELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD (12)· patent assignee history

2021–2023Patents assigned to INFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA (8)· patent assignee history

2021–2026Based in CN· patent location history

2022–2025Patents assigned to SAFEKEY ENGINEERING TECH ZHENGZHOU LTD (6)· patent assignee history

2023–2026Patents assigned to UNIV ZHENGZHOU (3)· patent assignee history

2024–2025Patents assigned to HUIZHOU MINGSHENG CHEMICAL MAT CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD	12	2021–2025
INFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA	8	2021–2023
SAFEKEY ENGINEERING TECH ZHENGZHOU LTD	6	2022–2025
UNIV ZHENGZHOU	3	2023–2026
HUIZHOU MINGSHENG CHEMICAL MAT CO LTD	2	2024–2025

Locations

Location	Patents	Span
CN	16	2021–2026