Inventor

XU QINLONG

CN4 patents

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

NINGBO FOTILE KITCHEN WARE CO

2 patents

US11639890B2May 2, 2023

Protection device of oil-smoke sensor

NINGBO FOTILE KITCHEN WARE CO0 citations56

US10871442B2Dec 22, 2020

Protective structure of oil smoke sensor

NINGBO FOTILE KITCHEN WARE CO0 citations45

HEFEI INDUSTRIAL PHARMACEUTICAL INST CO LTD

2 patents

US11161860B2Nov 2, 2021

Compound having effects of inhibiting phosphodiesterase 4, preparation method thereof and pharmaceutical use thereof

HEFEI INDUSTRIAL PHARMACEUTICAL INST CO LTD0 citations50

US11318151B2May 3, 2022

Compound pharmaceutical composition for treating skin inflammatory diseases

HEFEI INDUSTRIAL PHARMACEUTICAL INST CO LTD0 citations46