Inventor · disambiguated record
Zhengwei Fang
Also filed as: FANG ZHENGWEI
16 granted patents·1 pending application·21 citations·filing 2013–2021
88Inventor score
Top patents by PatentIndex Score
17 records- 0179US10823292B2ValveSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2017·Granted Nov 3, 2020·3 cites·10 claims
- 0277US11435009B2Hinged valveSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2019·Granted Sep 6, 2022·2 cites·16 claims
- 0376US11421788B2ValveSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2018·Granted Aug 23, 2022·2 cites·5 claims
- 0474US10407239B2Fixing clamp for discharge outlet of intermediate bulk containerSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2015·Granted Sep 10, 2019·3 cites·9 claims
- 0570US10641399B2ValveSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2015·Granted May 5, 2020·2 cites·12 claims
- 0670US10001218B2Hinged valveSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2014·Granted Jun 19, 2018·3 cites·9 claims
- 0765US10046892B2Tamper-evident device and valve using sameSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2014·Granted Aug 14, 2018·2 cites·10 claims
- 0864US10823309B2Retractable handle assembly, valve using the same and intermediate bulk containerSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2014·Granted Nov 3, 2020·1 cites·4 claims
- 0964US10047875B2Intermediate bulk container and valve opening/closing device thereforSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2013·Granted Aug 14, 2018·1 cites·13 claims
- 1064US9534693B2Valve with a hinged valve coreSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2013·Granted Jan 3, 2017·2 cites·13 claims
- 1154US11235922B2Fluid discharge system and squeezer thereofSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2018·Granted Feb 1, 2022·0 cites·19 claims
- 1253US11305933B2Fluid discharge system and squeezer thereofSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2018·Granted Apr 19, 2022·0 cites·20 claims
- 1350US11655076B2Liquid transport system and a liner bag and a method of using the sameSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2017·Granted May 23, 2023·0 cites·14 claims
- 1450US11555544B2Butterfly valveHOREN CORTP CO LTD·Filed 2019·Granted Jan 17, 2023·0 cites·10 claims
- 1547US10107414B2Intermediate bulk container and valve opening/closing device thereforSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2013·Granted Oct 23, 2018·0 cites·8 claims
- 1647US2023103703A1Liquid conveying system, and lining bag and manufacturing method thereforHOREN CORTP CO LTD·Filed 2021·Application pending·0 cites
- 1746US11383889B2Squeezer and liquid discharge system and methodSHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD·Filed 2017·Granted Jul 12, 2022·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →