Inventor · disambiguated record
Qingjun Zheng
Also filed as: ZHENG QINGJUN
21 granted patents·8 pending applications·57 citations·filing 2010–2024
92Inventor score
Files withKENNAMETAL INC20ZHENG QINGJUN4China railway tunnel group co ltd1DONGGUAN CITY QINGFENG ELECTRICAL MACHINERY CO LTD1DONGGUAN QINGFENG ELECTRIC MACHINERY CO LTD1
Top patents by PatentIndex Score
29 records- 0195US10428406B2Wear resistant and corrosion resistant cobalt-based alloy powders and applications thereofKENNAMETAL INC·Filed 2017·Granted Oct 1, 2019·29 cites·22 claims
- 0290US9764986B2Low temperature CVD coatings and applications thereofKENNAMETAL INC·Filed 2015·Granted Sep 19, 2017·3 cites·20 claims
- 0386US9849532B2Composite wear pad and methods of making the sameZHENG QINGJUN·Filed 2014·Granted Dec 26, 2017·5 cites·20 claims
- 0486US9346101B2Cladded articles and methods of making the sameKENNAMETAL INC·Filed 2013·Granted May 24, 2016·6 cites·23 claims
- 0583US8808870B2Functionally graded coatingZHENG QINGJUN·Filed 2011·Granted Aug 19, 2014·8 cites·23 claims
- 0680US10562101B2Methods of making metal matrix composite and alloy articlesKENNAMETAL INC·Filed 2017·Granted Feb 18, 2020·1 cites·23 claims
- 0777US9862029B2Methods of making metal matrix composite and alloy articlesKENNAMETAL INC·Filed 2013·Granted Jan 9, 2018·1 cites·15 claims
- 0873US11247268B2Methods of making metal matrix composite and alloy articlesKENNAMETAL INC·Filed 2020·Granted Feb 15, 2022·0 cites·21 claims
- 0973US10391557B2Cladded articles and applications thereofKENNAMETAL INC·Filed 2016·Granted Aug 27, 2019·1 cites·30 claims
- 1072US2025065348A1Multi-Component Electro-Mechanical Flame Spray Deposition SystemKENNAMETAL INC·Filed 2024·Application pending·0 cites
- 1171US10280035B2Kind of power paying-off cradle and power paying-off full-automatic stranding cable machineDONGGUAN CITY QINGFENG ELECTRICAL MACHINERY CO LTD·Filed 2017·Granted May 7, 2019·1 cites·15 claims
- 1267US12303926B2Multi-component electro-mechanical flame spray deposition systemKENNAMETAL INC·Filed 2023·Granted May 20, 2025·0 cites·15 claims
- 1367US9499888B2Carbide pellets for wear resistant applicationsKENNAMETAL INC·Filed 2014·Granted Nov 22, 2016·0 cites·16 claims
- 1465US11000921B2Composite welding rods and associated cladded articlesKENNAMETAL INC·Filed 2019·Granted May 11, 2021·0 cites·22 claims
- 1564US10272497B2Cladded articles and methods of making the sameKENNAMETAL INC·Filed 2016·Granted Apr 30, 2019·0 cites·16 claims
- 1661US10014096B2Horizontal automatic tension taping machineDONGGUAN QINGFENG ELECTRIC MACHINERY CO LTD·Filed 2014·Granted Jul 3, 2018·2 cites·4 claims
- 1760US2014342173A1Functionally graded coatingZHENG QINGJUN·Filed 2014·Application pending·0 cites
- 1859US2025092501A1Deposition of Coatings on Manufactured Products Using Real-Time Powder Feed Rate ControlKENNAMETAL INC·Filed 2023·Application pending·0 cites
- 1956US2023264405A1Automatic production line for conductive tape and a manufacturing method for conductive tapeZHENG QINGJUN·Filed 2022·Application pending·0 cites
- 2055US10967466B2Layered assemblies for superalloy article repairKENNAMETAL INC·Filed 2017·Granted Apr 6, 2021·0 cites·12 claims
- 2153US12484138B2Coated nozzles for arc torchesKENNAMETAL INC·Filed 2019·Granted Nov 25, 2025·0 cites·23 claims
- 2253US2020384733A1Composite claddings and applications thereofKENNAMETAL INC·Filed 2019·Application pending·0 cites
- 2352US2020384580A1Composite claddings and applications thereofKENNAMETAL INC·Filed 2019·Application pending·0 cites
- 2449US11376817B2Wear resistant articles and applications thereofKENNAMETAL INC·Filed 2020·Granted Jul 5, 2022·0 cites·15 claims
- 2548US8834786B2Carbide pellets for wear resistant applicationsKIRK TERRY WAYNE·Filed 2010·Granted Sep 16, 2014·0 cites·12 claims
- 2648US2014272446A1Wear-resistant claddingsKENNAMETAL INC·Filed 2013·Application pending·0 cites
- 2742US2014057124A1Corrosion And Wear-Resistant CladdingsKOMOLWIT PIYAMANEE·Filed 2012·Application pending·0 cites
- 2838US11371348B2Pipeline annular self-traveling guide apparatus and methodChina railway tunnel group co ltd·Filed 2021·Granted Jun 28, 2022·0 cites·10 claims
- 2938US10221702B2Imparting high-temperature wear resistance to turbine blade Z-notchesKENNAMETAL INC·Filed 2015·Granted Mar 5, 2019·0 cites·20 claims
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