Inventor · disambiguated record
Xianfeng Zhao
Also filed as: ZHAO XIANFENG · ZHAO XIANFENG FRANK
10 granted patents·4 pending applications·5 citations·filing 2004–2023
77Inventor score
Files withSAFEKEY ENGINEERING TECH ZHENGZHOU LTD3HENAN POLYTECH INFRASTRUCTURE REHABILITATION LTD2INFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA2UNIV ZHENGZHOU2WELEAD INFRASTRUCTURE ENGINEERING TECH (ZHENGZHOU) LTD2
Top patents by PatentIndex Score
14 records- 0184US9045865B2Polymer grouting method for uplifting ballastless track of high-speed railHENAN POLYTECH INFRASTRUCTURE REHABILITATION LTD·Filed 2013·Granted Jun 2, 2015·5 cites·1 claims
- 0264US12152360B2Vibratory grouting drilling rig with auxiliary moving mechanismSAFEKEY ENGINEERING TECH ZHENGZHOU LTD·Filed 2023·Granted Nov 26, 2024·0 cites·13 claims
- 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
- 0461US2020256027A1Composite 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
- 0560US12371869B2Grouting pipe with vibration functionSAFEKEY ENGINEERING TECH ZHENGZHOU LTD·Filed 2023·Granted Jul 29, 2025·0 cites·6 claims
- 0654US11499284B2Trough 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
- 0752US2023323621A1Grouting double-locking pressure real-time sensing system and method for operating the sameSAFEKEY ENGINEERING TECH ZHENGZHOU LTD·Filed 2023·Application pending·0 cites
- 0849US11149400B2Thin-slotting lifting synchronous grouting device and its usage methodINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 19, 2021·0 cites·8 claims
- 0948US11598065B2Method for stabilizing and lifting channel boards by underwater groutingUNIV ZHENGZHOU·Filed 2021·Granted Mar 7, 2023·0 cites·17 claims
- 1045US11149399B2Track-type jet grouting integrated systemINFRASTRUCTURE RENEWAL INST OF SOUTHERN CHINA·Filed 2020·Granted Oct 19, 2021·0 cites·3 claims
- 1145US2014314496A1Polymer grouting method for constructing multi-wing pileHENAN POLYTECH INFRASTRUCTURE REHABILITATION LTD·Filed 2014·Application pending·0 cites
- 1239US2015290386A1Extracorporeal autoimmune solution therapy (east)ZHAO XIANFENG FRANK·Filed 2014·Application pending·0 cites
- 1338US7678921B2Method for the enantiomoeric separation of optical active amlodipineSHIJIAZHUANG PHARMA GROUP OUYI·Filed 2004·Granted Mar 16, 2010·0 cites·12 claims
- 1435US8982412B2Systems and methods for facilitating reproduction of arbitrary colorsMCDOWELL MATTHEW·Filed 2013·Granted Mar 17, 2015·0 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →