Inventor · disambiguated record
Quan Xu
Also filed as: XU QUAN · XU QUAN-DING
27 granted patents·6 pending applications·54 citations·filing 2002–2025
94Inventor score
Files withUNIV QINGDAO TECHNOLOGY5ISTORAGE LTD4GUANGZHOU QIANQIAN PET PRODUCTS CO LTD3XU QUAN3BEIJING IAMETAL NEW ENERGY TECH CO LTD2
Top patents by PatentIndex Score
33 records- 0194US11832591B1Pet light-emitting safety device, pet chest and back harness, and pet collarGUANGZHOU QIANQIAN PET PRODUCTS CO LTD·Filed 2022·Granted Dec 5, 2023·3 cites·13 claims
- 0290US12088721B2Dongle for ciphering dataISTORAGE LTD·Filed 2022·Granted Sep 10, 2024·2 cites·21 claims
- 0387US11551833B2Manufacturing method of embedded metal mesh flexible transparent conductive film and application thereofUNIV QINGDAO TECHNOLOGY·Filed 2020·Granted Jan 10, 2023·2 cites·6 claims
- 0486US9451860B2Cyclone separatorJIANGSU MIDEA CLEANING APPLIANCES CO LTD·Filed 2015·Granted Sep 27, 2016·5 cites·18 claims
- 0584US11695299B2Quick-response voltage control method of distribution system considering multiple participantsUNIV TIANJIN·Filed 2020·Granted Jul 4, 2023·2 cites·3 claims
- 0684US11233653B2Dongle for ciphering dataISTORAGE LTD·Filed 2019·Granted Jan 25, 2022·4 cites·20 claims
- 0782US9157131B2High carbon content and high strength heat-treated steel rail and method for producing the sameZOU MING·Filed 2010·Granted Oct 13, 2015·4 cites·14 claims
- 0881US11709106B2Roller bearing, wind turbine and method for controlling sameSKF AB·Filed 2020·Granted Jul 25, 2023·2 cites·18 claims
- 0978USD885689SPet harnessGUANGZHOU QIANQIAN PET PRODUCTS CO LTD·Filed 2018·Granted May 26, 2020·18 cites·1 claims
- 1064US9765414B2Heat treatment method of turnout track and the turnout trackPANGANG GROUP PANZHIHUA IRON & STEEL RES INST CO LTD·Filed 2013·Granted Sep 19, 2017·1 cites·20 claims
- 1158US9375120B2Dust collector for cleanerJIANGSU MIDEA CLEANING APPLIANCES CO LTD·Filed 2015·Granted Jun 28, 2016·1 cites·7 claims
- 1255USD986514SPet leadXU QUAN·Filed 2023·Granted May 16, 2023·1 cites·1 claims
- 1355USD886396SPet retractorGUANGZHOU QIANQIAN PET PRODUCTS CO LTD·Filed 2018·Granted Jun 2, 2020·6 cites·1 claims
- 1455US10640660B2Water-based high-temperature-resistant titanium-steel anti-bonding coating and use thereofPANGANG GROUP RES INSTITUTE CO LTD·Filed 2017·Granted May 5, 2020·0 cites·12 claims
- 1555US9282278B2Method, multimedia system and network side device for recording programXU QUAN·Filed 2010·Granted Mar 8, 2016·1 cites·9 claims
- 1653USD1059132SFlip pickle jarYANGZHOU NEW COORDINATE HOUSEHOLD PRODUCTS CO LTD·Filed 2023·Granted Jan 28, 2025·1 cites·1 claims
- 1753USD1042016SCover for storage containerYANGZHOU NEW COORDINATE HOUSEHOLD PRODUCTS CO LTD·Filed 2024·Granted Sep 17, 2024·1 cites·1 claims
- 1852US2023226760A1Micro-nano 3d printing device with multi-nozzles jet deposition driven by electric field of single flat plate electrodeUNIV QINGDAO TECHNOLOGY·Filed 2021·Application pending·0 cites
- 1952US2024258521A1Carbon coated composite, preparation method therefor and use thereofBEIJING IAMETAL NEW ENERGY TECH CO LTD·Filed 2022·Application pending·0 cites
- 2051US12083745B23D printing device and method for integrated manufacturing of functionally gradient materials and three-dimensional structuresUNIV QINGDAO TECHNOLOGY·Filed 2021·Granted Sep 10, 2024·0 cites·17 claims
- 2151US2011256420A1Hot-dip galvanized steel plate and production method thereofPANGANG GROUP STEEL VA & TI CO·Filed 2009·Application pending·0 cites
- 2248US12250318B2Portable encryption device with multiple keysISTORAGE LTD·Filed 2022·Granted Mar 11, 2025·0 cites·11 claims
- 2348US8728628B2Passivant for hot-dip Al-Zn-coated sheet and preparation method and use thereofYUAN PING·Filed 2010·Granted May 20, 2014·0 cites·13 claims
- 2448US2024419815A1Portable encryption deviceISTORAGE LTD·Filed 2022·Application pending·0 cites
- 2546US12464650B2Method and system for manufacturing flexible transparent conductive film with embedded metal materialUNIV QINGDAO TECHNOLOGY·Filed 2020·Granted Nov 4, 2025·0 cites·5 claims
- 2646USD1070594SWater bottleXU QUAN·Filed 2025·Granted Apr 15, 2025·0 cites·1 claims
- 2745US8742000B2Preparation method of hot dip galvanized sheet anti-corrosive treatment agent of environmental protectiveXU ZHEFENG·Filed 2009·Granted Jun 3, 2014·0 cites·15 claims
- 2844US11577480B2Method and apparatus for mass production of AR diffractive waveguidesUNIV QINGDAO TECHNOLOGY·Filed 2020·Granted Feb 14, 2023·0 cites·8 claims
- 2943US11637273B2Preparation method of silicon-based composite negative electrode material for lithium batteryBEIJING IAMETAL NEW ENERGY TECH CO LTD·Filed 2020·Granted Apr 25, 2023·0 cites·7 claims
- 3041US2013193223A1Steel rail for high speed and quasi-high speed railways and method of manufacturing the sameMEI DONGSHENG·Filed 2011·Application pending·0 cites
- 3140US11328502B2Visualized time sequence pattern matching method for data visualization analysis based on Hough transformationUNIV NORTHEASTERN·Filed 2019·Granted May 10, 2022·0 cites·5 claims
- 3239US9181447B2Metal protection coating, hot-dip Zn metallic material and hot-dip Al—Zn metallic material using the sameXU ZHEFENG·Filed 2012·Granted Nov 10, 2015·0 cites·16 claims
- 3334US2004025334A1Method of securely fastening a shield to a circuit boardFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Quan Xu 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 →