Assignee
HAN QINGYOU
US·17 granted patents·11 pending applications·20 citations·filing 2005–2025
Top patents by PatentIndex Score
28 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
- 0391US11577304B2Process for making an erosion and wear resistant shot chamber for die casting applicationHAN QINGYOU·Filed 2020·Granted Feb 14, 2023·2 cites·11 claims
- 0487US2026027614A1Acoustic rotary liquid processor for processing semisolid materialsHAN QINGYOU·Filed 2025·Application pending·0 cites
- 0585US12479022B2Apparatus for extending service life of shot chamber for die casting applicationHAN QINGYOU·Filed 2024·Granted Nov 25, 2025·0 cites·9 claims
- 0685US12420334B2Ultrasound assisted vertical shot chamber for die casting applicationsHAN QINGYOU·Filed 2024·Granted Sep 23, 2025·0 cites·6 claims
- 0784US12502708B2Method for reducing local defects in a solidified castingHAN QINGYOU·Filed 2023·Granted Dec 23, 2025·0 cites·8 claims
- 0884US12343789B2Process for making a one-piece composite liner for cold chamber die casting applicationHAN QINGYOU·Filed 2024·Granted Jul 1, 2025·0 cites·12 claims
- 0984US11471935B2Method of producing high quality metallurgical bond within a composite castingHAN QINGYOU·Filed 2020·Granted Oct 18, 2022·1 cites·16 claims
- 1078US12179258B2Method and apparatus for extending service life of shot chamber for die casting applicationHAN QINGYOU·Filed 2023·Granted Dec 31, 2024·0 cites·9 claims
- 1178US12048961B2Controlled nozzle cooling (CNC) of permanent mold castingHAN QINGYOU·Filed 2023·Granted Jul 30, 2024·0 cites·18 claims
- 1277US2024278315A1Method of producing large thin-walled sand castings of high internal integrityHAN QINGYOU·Filed 2024·Application pending·0 cites
- 1376US2026028694A1Acoustic rotary liquid processorHAN QINGYOU·Filed 2025·Application pending·0 cites
- 1476US2023158564A1Method for enhancing creep age forming process of a metallic componentHAN QINGYOU·Filed 2023·Application pending·0 cites
- 1575US12576445B2Casting process for making an erosion and wear resistant shot chamber for die casting applicationsHAN QINGYOU·Filed 2024·Granted Mar 17, 2026·0 cites·20 claims
- 1672US2025179614A1Apparatus for processing a liquid alloyHAN QINGYOU·Filed 2025·Application pending·0 cites
- 1770US2024335880A1Methods of ultrasound assisted 3d printing of metallic alloysHAN QINGYOU·Filed 2024·Application pending·0 cites
- 1869US12247269B2Method and apparatus for processing a liquid alloyHAN QINGYOU·Filed 2020·Granted Mar 11, 2025·0 cites·8 claims
- 1969US12048962B2Ultrasound assisted shot chamber for die casting applicationsHAN QINGYOU·Filed 2020·Granted Jul 30, 2024·0 cites·6 claims
- 2069US12017271B2Process for making a composite liner for cold chamber die casting applicationHAN QINGYOU·Filed 2020·Granted Jun 25, 2024·0 cites·4 claims
- 2169US11597008B2Method for reducing local defects in a castingHAN QINGYOU·Filed 2020·Granted Mar 7, 2023·0 cites·8 claims
- 2269US2023278095A1Method of producing large thin-walled sand castings of high internal integrityHAN QINGYOU·Filed 2022·Application pending·0 cites
- 2367US12048960B2Controlled nozzle cooling (CNC) of sand castingHAN QINGYOU·Filed 2023·Granted Jul 30, 2024·0 cites·15 claims
- 2466US2024335902A1Methods of ultrasound assisted weldingHAN QINGYOU·Filed 2024·Application pending·0 cites
- 2565US11897028B2Controlled nozzle cooling (CNC) castingHAN QINGYOU·Filed 2020·Granted Feb 13, 2024·0 cites·9 claims
- 2665US2022048105A1Acoustic rotary liquid processorHAN QINGYOU·Filed 2020·Application pending·0 cites
- 2747US2022009023A1Methods of ultrasound assisted 3d printing and weldingHAN QINGYOU·Filed 2020·Application pending·0 cites
- 2838US2007256764A1Method of producing nanostructured metals using high-intensity ultrasonic vibrationHAN QINGYOU·Filed 2005·Application pending·0 cites
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