Learn more

SHANGHAI QIANGHUA IND CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    124,858
  • Filing trend
    ⇩ 80.0%
About

SHANGHAI QIANGHUA IND CO LTD has a total of 14 patent applications. It decreased the IP activity by 80.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets machines, materials and metallurgy and chemical engineering are PELLTEC SA, BECKER FRANZ HEINRICH and JENA TECH GLAS INST.

Patent filings in countries

World map showing SHANGHAI QIANGHUA IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing SHANGHAI QIANGHUA IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Wenhua 13
#2 Lan Cheng 6
#3 Yao Luhui 2
#4 Lyu Hongbing 2
#5 Liu Jiandong 1
#6 Zheng Xiaoyan 1
#7 Lin Hongbin 1
#8 Yang Zhongjin 1

Latest patents

Publication Filing date Title
CN110160200A A kind of exhaust filtering system and method for processing Quartz stove tube
CN110127995A Quartzy vertical boat slot stick system of processing and method
CN110127994A Quartzy plectane/flange processing device and method
CN110117154A A kind of quartz welding torch and jet pipe production method
CN109738479A Quartz glass surfaces coating high temperature resistance test method
CN109734296A Quartz stove tube automatic polishing machine and polishing method
CN109574475A Quartz suction pen welding method
CN107555769A A kind of quartz ampoule assembling device
CN107619179A A kind of quartz plate flame polishing device
CN107527846A A kind of Rapid Cleaning groove for being used for 12 cun of wafers
CN107546158A A kind of Rapid Cleaning groove for being used for 8 cun of wafers
CN106986552A A kind of manufacture method of high temperature resistant quartz glass
CN106746714A A kind of preparation method of high temperature resistant quartz glass
CN106116137A A kind of device producing preform and preparation method thereof