Inventor · disambiguated record
Ziqian Wu
Also filed as: WU ZIQIAN
58 granted patents·12 pending applications·779 citations·filing 2003–2025
99Inventor score
Files withTECMEN ELECTRONICS CO LTD44LINCOLN GLOBAL INC10DOUYIN VISION CO LTD5WU ZIQIAN5BEIJING ZITIAO NETWORK TECHNOLOGY CO LTD2
Top patents by PatentIndex Score
70 records- 0195US8826464B2Filter holding system for welding maskWU ZIQIAN·Filed 2011·Granted Sep 9, 2014·27 cites·15 claims
- 0295USD710546SHead beltTECMEN ELECTRONICS CO LTD·Filed 2013·Granted Aug 5, 2014·63 cites·1 claims
- 0393USD489492SWelding maskFiled 2003·Granted May 4, 2004·49 cites·1 claims
- 0492USD710545SHead beltTECMEN ELECTRONICS CO LTD·Filed 2013·Granted Aug 5, 2014·48 cites·1 claims
- 0592USD654634SWelding helmetWU ZIQIAN·Filed 2011·Granted Feb 21, 2012·53 cites·1 claims
- 0692USD654224SWelding helmetWU ZIQIAN·Filed 2011·Granted Feb 14, 2012·54 cites·1 claims
- 0792USD521190SWelding helmetCENTRAL PURCHASING LLC·Filed 2004·Granted May 16, 2006·51 cites·1 claims
- 0890USD775344SFilter cartridge for welding respiratorTECMEN ELECTRONICS CO LTD·Filed 2015·Granted Dec 27, 2016·36 cites·1 claims
- 0989USD767829SBelt for welding helmetTECMEN ELECTRONICS CO LTD·Filed 2015·Granted Sep 27, 2016·33 cites·1 claims
- 1088USD927785SHeadgear of welding helmetTECMEN ELECTRONICS CO LTD·Filed 2019·Granted Aug 10, 2021·26 cites·1 claims
- 1188USD774180SRespiratorTECMEN ELECTRONICS CO LTD·Filed 2015·Granted Dec 13, 2016·31 cites·1 claims
- 1287US10555836B2Welding helmet having a HUD-type auto-darkening filterTECMEN ELECTRONICS CO LTD·Filed 2015·Granted Feb 11, 2020·3 cites·17 claims
- 1385USD710493SRespiratorTECMEN ELECTRONICS CO LTD·Filed 2013·Granted Aug 5, 2014·30 cites·1 claims
- 1483US11576454B1Headgear with curved straps for welding helmetTECMEN ELECTRONICS CO LTD·Filed 2019·Granted Feb 14, 2023·4 cites·20 claims
- 1582US11147333B2Headband arrangement and welding helmet equipped with the sameTECMEN ELECTRONICS CO LTD·Filed 2019·Granted Oct 19, 2021·3 cites·17 claims
- 1681USD654225SWelding helmetWU ZIQIAN·Filed 2011·Granted Feb 14, 2012·26 cites·1 claims
- 1780USD654226SWelding helmetWU ZIQIAN·Filed 2011·Granted Feb 14, 2012·25 cites·1 claims
- 1878USD716505SAir supply attachment for a head belt of a welding helmetTECMEN ELECTRONICS CO LTD·Filed 2013·Granted Oct 28, 2014·21 cites·1 claims
- 1977US10660796B2Wireless projector-type welding helmet and welding machine equipped with the sameTECMEN ELECTRONICS CO LTD·Filed 2015·Granted May 26, 2020·3 cites·20 claims
- 2077US10362828B2Headband arrangement and welding helmet equipped with the sameTECMEN ELECTRONICS CO LTD·Filed 2017·Granted Jul 30, 2019·3 cites·17 claims
- 2177USD734558SWelding helmetTECMEN ELECTRONICS CO LTD·Filed 2013·Granted Jul 14, 2015·20 cites·1 claims
- 2277USD710494SRespiratorTECMEN ELECTRONICS CO LTD·Filed 2013·Granted Aug 5, 2014·20 cites·1 claims
- 2376USD1001271SRespiratorTECMEN ELECTRONICS CO LTD·Filed 2021·Granted Oct 10, 2023·5 cites·1 claims
- 2475USD716506SAir supply attachment for a head belt of a welding helmetTECMEN ELECTRONICS CO LTD·Filed 2013·Granted Oct 28, 2014·19 cites·1 claims
- 2574USD854758SHeadgear of helmetLINCOLN GLOBAL INC·Filed 2018·Granted Jul 23, 2019·14 cites·1 claims
- 2672USD994116SRespiration deviceTECMEN ELECTRONICS CO LTD·Filed 2021·Granted Aug 1, 2023·4 cites·1 claims
- 2771US11369520B2Auto-darkening welding helmetTECMEN ELECTRONICS CO LTD·Filed 2019·Granted Jun 28, 2022·1 cites·20 claims
- 2871US2024399177A1Protective device and portable powered air-purifying respirator thereforTECMEN ELECTRONICS CO LTD·Filed 2022·Application pending·0 cites
- 2970US12102160B1Headgear with curved straps for welding helmetTECMEN ELECTRONICS CO LTD·Filed 2023·Granted Oct 1, 2024·0 cites·16 claims
- 3069USD899698SProtective helmetTECMEN ELECTRONICS CO LTD·Filed 2018·Granted Oct 20, 2020·10 cites·1 claims
- 3168USD732746SWelding helmetTECMEN ELECTRONICS CO LTD·Filed 2013·Granted Jun 23, 2015·14 cites·1 claims
- 3266US2023293915A1Electric breathing apparatus and air filter device thereforTECMEN ELECTRONICS CO LTD·Filed 2021·Application pending·0 cites
- 3366US2024076497A1Phase change composite and preparation method and use thereofUNIV GUANGDONG TECHNOLOGY·Filed 2023·Application pending·0 cites
- 3465US11690763B2Combination of a goggle and a face maskTECMEN ELECTRONICS CO LTD·Filed 2019·Granted Jul 4, 2023·0 cites·20 claims
- 3564US10548774B2Auto-darkening welding helmet with a touchable operating screenTECMEN ELECTRONICS CO LTD·Filed 2015·Granted Feb 4, 2020·1 cites·18 claims
- 3664USD836847SAuto darkening filter for a welding helmetTECMEN ELECTRONICS CO LTD·Filed 2017·Granted Dec 25, 2018·9 cites·1 claims
- 3764US2025226851A1Encoding method, decoding method, encoding apparatus, decoding apparatus, electronic device, and storage mediumDOUYIN VISION CO LTD·Filed 2025·Application pending·0 cites
- 3863US2025130174A1Machine learning-assisted dual-function nanophotonic sensor for organic pollutant detection and degradationDARTMOUTH COLLEGE·Filed 2024·Application pending·0 cites
- 3962USD1062076SProtective helmetTECMEN ELECTRONICS CO LTD·Filed 2022·Granted Feb 11, 2025·2 cites·1 claims
- 4061USD983355SRespiration deviceTECMEN ELECTRONICS CO LTD·Filed 2021·Granted Apr 11, 2023·2 cites·1 claims
- 4161USD837461SBelt for welding helmetTECMEN ELECTRONICS CO LTD·Filed 2016·Granted Jan 1, 2019·8 cites·1 claims
- 4261USD830003SFlip-up auto darkening welding helmetTECMEN ELECTRONICS CO LTD·Filed 2017·Granted Oct 2, 2018·8 cites·1 claims
- 4360USD992828SWelding helmetLINCOLN GLOBAL INC·Filed 2022·Granted Jul 18, 2023·2 cites·1 claims
- 4459US2025316279A1Audio processing method and apparatus, and deviceBEIJING ZITIAO NETWORK TECHNOLOGY CO LTD·Filed 2025·Application pending·0 cites
- 4558USD916383SWelding helmetTECMEN ELECTRONICS CO LTD·Filed 2018·Granted Apr 13, 2021·6 cites·1 claims
- 4658USD860546STop shell for helmetLINCOLN GLOBAL INC·Filed 2018·Granted Sep 17, 2019·7 cites·1 claims
- 4758US2025279101A1Audio encoding method, audio decoding method, audio encoding apparatus, audio decoding apparatus, device, and storage mediumDOUYIN VISION CO LTD·Filed 2025·Application pending·0 cites
- 4857USD900399SProtective helmetTECMEN ELECTRONICS CO LTD·Filed 2018·Granted Oct 27, 2020·6 cites·1 claims
- 4956USD841896SAuto-darkening welding filter display screen with touch graphical user interfaceTECMEN ELECTRONICS CO LTD·Filed 2015·Granted Feb 26, 2019·7 cites·1 claims
- 5055US2025227270A1Encoding method, decoding method, encoding apparatus, decoding apparatus, electronic device, and storage mediumDOUYIN VISION CO LTD·Filed 2025·Application pending·0 cites
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →