P

Inventor

ZHANG HONGJIAN

CN14 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG HONGJIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

QINGDAO WORKERCARE TOOLS MFT CO LTD

6 patents
USD923280SJun 22, 2021

Car ramp

QINGDAO WORKERCARE TOOLS MFT CO LTD6 citations82
USD921324SJun 1, 2021

Car ramp

QINGDAO WORKERCARE TOOLS MFT CO LTD8 citations82
USD1008151SDec 19, 2023

Curved wheel leveler and chock set

QINGDAO WORKERCARE TOOLS MFT CO LTD2 citations71
USD1003800SNov 7, 2023

Curved wheel leveler and chock set

QINGDAO WORKERCARE TOOLS MFT CO LTD2 citations71
USD1065753SMar 4, 2025

RV jack block

QINGDAO WORKERCARE TOOLS MFT CO LTD0 citations60
USD1045771SOct 8, 2024

Curved wheel leveler

QINGDAO WORKERCARE TOOLS MFT CO LTD1 citations60

QINGDAO GIANT IND & TRADING CO LTD

2 patents
USD1058989SJan 21, 2025

Car repair ramp

QINGDAO GIANT IND & TRADING CO LTD2 citations71
USD1010541SJan 9, 2024

Curved wheel leveler

QINGDAO GIANT IND & TRADING CO LTD2 citations69

OULEME TECH QINGDAO CO LTD

1 patent
USD1038570SAug 6, 2024

RV jack block

OULEME TECH QINGDAO CO LTD8 citations79

LI YUE

1 patent
US9145901B2Sep 29, 2015

Heating pump

LI YUE10 citations79

VIVA STAR BIOSCIENCES SUZHOU CO LTD

1 patent
US12338255B2Jun 24, 2025

Bicyclic substituted sulfonylurea compounds as inhibitors of interleukin-1 activity

VIVA STAR BIOSCIENCES SUZHOU CO LTD0 citations40

UNIV JIANGNAN

1 patent
US10669309B2Jun 2, 2020

Method for extracting epsilon-polylysine and its hydrochloride salt from fermentation broth

UNIV JIANGNAN0 citations34

LIU LISHENG

1 patent
US9112401B2Aug 18, 2015

Coreless permanent magnet motor with surface charged magnet

LIU LISHENG0 citations31

SANWAY GENE TECH INC

1 patent
US9896684B2Feb 20, 2018

Device for nucleic acid extraction using magnetic bead method

SANWAY GENE TECH INC0 citations22