Inventor · disambiguated record
Yanhui Pan
Also filed as: PAN YANHUI
19 granted patents·5 pending applications·1 citations·filing 2013–2024
86Inventor score
Files withINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA10WELEAD INFRASTRUCTURE ENGINEERING TECH (ZHENGZHOU) LTD5UNIV ZHENGZHOU4SAFEKEY ENGINEERING TECH ZHENGZHOU LTD3HENAN POLYTECH INFRASTRUCTURE REHABILITATION LTD1
Top patents by PatentIndex Score
24 records- 0177US11473713B2Trenchless integrative repair method for concrete drainage pipeline with cracking, corrosion and subsidenceINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 18, 2022·1 cites·8 claims
- 0265US2023045296A1Silicate-modified high-toughness and low-heat polymer grouting material for reinforcementSAFEKEY ENGINEERING TECH ZHENGZHOU LTD·Filed 2022·Application pending·0 cites
- 0364US11085166B2Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall and using method thereofWELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD·Filed 2020·Granted Aug 10, 2021·0 cites·9 claims
- 0463US2025334359A1Novel daytime passive radiative cooling ceramic with self-cleaning properties and its manufacturing processUNIV ZHENGZHOU·Filed 2024·Application pending·0 cites
- 0562US11104612B2Rapid-hardening underground pipeline grouting repair polymer and preparing methodINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2019·Granted Aug 31, 2021·0 cites·5 claims
- 0661US2020256027A1Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall and using method thereofWELEAD INFRASTRUCTURE ENGINEERING TECH (ZHENGZHOU) LTD·Filed 2020·Application pending·0 cites
- 0758US11618802B2Polymer expanding material used in infiltration or seepage watery environment and preparation method thereofUNIV ZHENGZHOU·Filed 2020·Granted Apr 4, 2023·0 cites·5 claims
- 0857US12441921B2Silicate-modified polymer grouting material for leakage pluggingSAFEKEY ENGINEERING TECH ZHENGZHOU LTD·Filed 2022·Granted Oct 14, 2025·0 cites·2 claims
- 0954US11499284B2Trough plate for constructing locked polymer anti-seepage wall and construction method of locked polymer anti-seepage wallUNIV ZHENGZHOU·Filed 2021·Granted Nov 15, 2022·0 cites·8 claims
- 1053US11585467B2Trenchless methods for forming curved hole channel with steel sleeve and pipeline liftingINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Feb 21, 2023·0 cites·7 claims
- 1152US2023323621A1Grouting double-locking pressure real-time sensing system and method for operating the sameSAFEKEY ENGINEERING TECH ZHENGZHOU LTD·Filed 2023·Application pending·0 cites
- 1251US11346487B2Support tool and back-pressure grouting device for leakage repair of inspection well and repair method thereofINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted May 31, 2022·0 cites·7 claims
- 1351US11231139B2Detecting and repairing method for external diseases of buried drainage pipelineINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Jan 25, 2022·0 cites·15 claims
- 1449US11149400B2Thin-slotting lifting synchronous grouting device and its usage methodINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 19, 2021·0 cites·8 claims
- 1548US11274784B2In-service repair method combining externally bonded pre-stressed FRP and polymer grouting for PCCP with broken wireWELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD·Filed 2020·Granted Mar 15, 2022·0 cites·10 claims
- 1647US2020318774A1Local repair method combining internally bonded CFRP and polymer grouting for cracks in drainage pipeInfrastructure Renewal Insitute of Southern China·Filed 2020·Application pending·0 cites
- 1745US11149399B2Track-type jet grouting integrated systemINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 19, 2021·0 cites·3 claims
- 1845US11079057B2Trenchless rehabilitation device for disconnects on large-diameter concrete drainage pipe and method thereofWELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD·Filed 2020·Granted Aug 3, 2021·0 cites·10 claims
- 1944US10907761B2In-service and trenchless repair method for disconnection of drainage pipelineINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Feb 2, 2021·0 cites·16 claims
- 2043US11708933B2Pipeline radar and television inspection robotUNIV ZHENGZHOU·Filed 2020·Granted Jul 25, 2023·0 cites·1 claims
- 2143US11002398B2Trenchless rehabilitation system for deformation of large diameter HDPE pipelines and method thereofWELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD·Filed 2020·Granted May 11, 2021·0 cites·13 claims
- 2243US8974152B2Polymer grouting method for constructing vertical supporting systemHENAN POLYTECH INFRASTRUCTURE REHABILITATION LTD·Filed 2013·Granted Mar 10, 2015·0 cites·3 claims
- 2341US11319690B2Assembled recyclable rectangular working well with preset detachable door opening and construction method thereofINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted May 3, 2022·0 cites·5 claims
- 2441US11143027B2Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereofINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 12, 2021·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Yanhui Pan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →