Inventor · disambiguated record
Qingyou Han
Also filed as: HAN QINGYOU
28 granted patents·11 pending applications·72 citations·filing 2004–2025
94Inventor score
Top patents by PatentIndex Score
39 records- 0196US8613789B2Method of producing particulate-reinforced composites and composites produced therebyHAN QINGYOU·Filed 2011·Granted Dec 24, 2013·15 cites·17 claims
- 0295US12194528B2Shrink-fitting process for making an erosion and wear resistant shot chamber for die casting applicationsHAN QINGYOU·Filed 2023·Granted Jan 14, 2025·2 cites·17 claims
- 0395US7682556B2Degassing of molten alloys with the assistance of ultrasonic vibrationUT BATTELLE LLC·Filed 2005·Granted Mar 23, 2010·31 cites·10 claims
- 0491US11577304B2Process for making an erosion and wear resistant shot chamber for die casting applicationHAN QINGYOU·Filed 2020·Granted Feb 14, 2023·2 cites·11 claims
- 0589US9481031B2Ultrasonic grain refiningHANS TECH LLC·Filed 2016·Granted Nov 1, 2016·9 cites·29 claims
- 0685US12479022B2Apparatus for extending service life of shot chamber for die casting applicationHAN QINGYOU·Filed 2024·Granted Nov 25, 2025·0 cites·9 claims
- 0785US12420334B2Ultrasound assisted vertical shot chamber for die casting applicationsHAN QINGYOU·Filed 2024·Granted Sep 23, 2025·0 cites·6 claims
- 0884US12502708B2Method for reducing local defects in a solidified castingHAN QINGYOU·Filed 2023·Granted Dec 23, 2025·0 cites·8 claims
- 0984US12343789B2Process for making a one-piece composite liner for cold chamber die casting applicationHAN QINGYOU·Filed 2024·Granted Jul 1, 2025·0 cites·12 claims
- 1084US11471935B2Method of producing high quality metallurgical bond within a composite castingHAN QINGYOU·Filed 2020·Granted Oct 18, 2022·1 cites·16 claims
- 1179US11666974B2Method of making components with metal matrix composites and components made therefromPURDUE RESEARCH FOUNDATION·Filed 2022·Granted Jun 6, 2023·0 cites·12 claims
- 1278US12179258B2Method and apparatus for extending service life of shot chamber for die casting applicationHAN QINGYOU·Filed 2023·Granted Dec 31, 2024·0 cites·9 claims
- 1378US12048961B2Controlled nozzle cooling (CNC) of permanent mold castingHAN QINGYOU·Filed 2023·Granted Jul 30, 2024·0 cites·18 claims
- 1477US2024278315A1Method of producing large thin-walled sand castings of high internal integrityHAN QINGYOU·Filed 2024·Application pending·0 cites
- 1576US2023158564A1Method for enhancing creep age forming process of a metallic componentHAN QINGYOU·Filed 2023·Application pending·0 cites
- 1674US11242582B2Method of making components with metal matrix composites and components made therefromPURDUE RESEARCH FOUNDATION·Filed 2018·Granted Feb 8, 2022·0 cites·12 claims
- 1772US2025179614A1Apparatus for processing a liquid alloyHAN QINGYOU·Filed 2025·Application pending·0 cites
- 1871US11389871B2Method of making nanocrystalline metal flakes and nanocrystalline flakes made therefromPURDUE RESEARCH FOUNDATION·Filed 2019·Granted Jul 19, 2022·0 cites·15 claims
- 1970US7621315B2Method and apparatus for semi-solid material processingUT BATTELLE LLC·Filed 2009·Granted Nov 24, 2009·1 cites·10 claims
- 2070US7493934B2Method and apparatus for semi-solid material processingUT BATTELLE LLC·Filed 2007·Granted Feb 24, 2009·1 cites·6 claims
- 2170US2024335880A1Methods of ultrasound assisted 3d printing of metallic alloysHAN QINGYOU·Filed 2024·Application pending·0 cites
- 2269US12247269B2Method and apparatus for processing a liquid alloyHAN QINGYOU·Filed 2020·Granted Mar 11, 2025·0 cites·8 claims
- 2369US12048962B2Ultrasound assisted shot chamber for die casting applicationsHAN QINGYOU·Filed 2020·Granted Jul 30, 2024·0 cites·6 claims
- 2469US12017271B2Process for making a composite liner for cold chamber die casting applicationHAN QINGYOU·Filed 2020·Granted Jun 25, 2024·0 cites·4 claims
- 2569US11597008B2Method for reducing local defects in a castingHAN QINGYOU·Filed 2020·Granted Mar 7, 2023·0 cites·8 claims
- 2669US2023278095A1Method of producing large thin-walled sand castings of high internal integrityHAN QINGYOU·Filed 2022·Application pending·0 cites
- 2767US12048960B2Controlled nozzle cooling (CNC) of sand castingHAN QINGYOU·Filed 2023·Granted Jul 30, 2024·0 cites·15 claims
- 2867US11390824B2Compositions for use as lubricants in die casting, methods of using the same, and products produced therewithPURDUE RESEARCH FOUNDATION·Filed 2019·Granted Jul 19, 2022·0 cites·14 claims
- 2966US9222158B2Method of producing particulate-reinforced composites and composites produced therebyPURDUE RESEARCH FOUNDATION·Filed 2013·Granted Dec 29, 2015·0 cites·16 claims
- 3066US2024335902A1Methods of ultrasound assisted weldingHAN QINGYOU·Filed 2024·Application pending·0 cites
- 3165US11897028B2Controlled nozzle cooling (CNC) castingHAN QINGYOU·Filed 2020·Granted Feb 13, 2024·0 cites·9 claims
- 3265US2022048105A1Acoustic rotary liquid processorHAN QINGYOU·Filed 2020·Application pending·0 cites
- 3362US10441999B2Ultrasonic grain refiningHANS TECH LLC·Filed 2016·Granted Oct 15, 2019·0 cites·29 claims
- 3459US10518329B2Method of making nanocrystalline metal flakes and nanocrystalline flakes made therefromPURDUE RESEARCH FOUNDATION·Filed 2016·Granted Dec 31, 2019·0 cites·17 claims
- 3554US7216690B2Method and apparatus for semi-solid material processingUT BATTELLE LLC·Filed 2004·Granted May 15, 2007·10 cites·7 claims
- 3647US2022009023A1Methods of ultrasound assisted 3d printing and weldingHAN QINGYOU·Filed 2020·Application pending·0 cites
- 3745US2007065592A1Ultrasonically-assisted bonding of plastics to surfaces of solid material and product formed therebyUT BATTELLE LLC·Filed 2005·Application pending·0 cites
- 3844US2017266719A1Hot-chamber die casting systems and methodsPURDUE RESEARCH FOUNDATION·Filed 2017·Application pending·0 cites
- 3938US2007256764A1Method of producing nanostructured metals using high-intensity ultrasonic vibrationHAN QINGYOU·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →