P

Inventor

GONG KAI

CN16 patents
⚠️ This page may combine multiple inventors who share the name “GONG KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD

13 patents
US9938060B2Apr 10, 2018

Container and lid locking mechanism thereof

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD5 citations71
US9897230B2Feb 20, 2018

Intermediate bulk container and valve opening/closing device therefor

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD4 citations71
US9534693B2Jan 3, 2017

Valve with a hinged valve core

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD2 citations71
US9919833B2Mar 20, 2018

Collapsible container

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD3 citations67
US10823309B2Nov 3, 2020

Retractable handle assembly, valve using the same and intermediate bulk container

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD1 citations60
US10662673B2May 26, 2020

Disposable anti-tampering lock catch

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD1 citations59
US11572228B2Feb 7, 2023

Foldable container

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD0 citations50
US10047875B2Aug 14, 2018

Intermediate bulk container and valve opening/closing device therefor

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD1 citations50
US10501247B2Dec 10, 2019

Container and locking mechanism thereof

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD0 citations44
US10589470B2Mar 17, 2020

Anti-spillage structure

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD0 citations40
US9469448B2Oct 18, 2016

Container and lid locking mechanism thereof

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD0 citations40
US10107414B2Oct 23, 2018

Intermediate bulk container and valve opening/closing device therefor

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD0 citations39
US10046886B2Aug 14, 2018

Container and lid hanging structure thereof

SHANGHAI HONGYAN RETURNABLE TRANSIT PACKAGINGS CO LTD0 citations39

YUAN FANG

1 patent
US9279505B2Mar 8, 2016

Valve core assembly and valve adopting the valve core assembly

YUAN FANG5 citations71

GUANGZHOU NEWLIFE NEW MAT CO LTD

1 patent
US12500014B2Dec 16, 2025

Ring varistor for use in DC micromotor

GUANGZHOU NEWLIFE NEW MAT CO LTD0 citations55

UNIV JIANGNAN

1 patent
US12256737B2Mar 25, 2025

Preparation method and application of water-soluble chlorhexidine hyaluronate antibacterial agents

UNIV JIANGNAN0 citations54