Learn more

Handan college

Overview
  • Total Patents
    318
  • GoodIP Patent Rank
    4,597
  • Filing trend
    ⇧ 78.0%
About

Handan college has a total of 318 patent applications. It increased the IP activity by 78.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, furniture and games and measurement are UNIV HUANGHUAI, UNIV DEZHOU and UNIV HEBEI GEO.

Patent filings in countries

World map showing Handan colleges patent filings in countries
# Country Total Patents
#1 China 318

Patent filings per year

Chart showing Handan colleges patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Junfeng 40
#2 Wang Meng 31
#3 Zheng Xinfang 30
#4 Li Zengchao 28
#5 Jiao Hongqiang 27
#6 Li Han 26
#7 Zhang Yuxia 23
#8 Wang Bo 23
#9 Ren Yun 22
#10 Ding Wanning 21

Latest patents

Publication Filing date Title
CN110545181A Method for creating and using multilevel matrix password
CN110547620A Professional wall map display device is led in movie & TV
CN110539836A Children's scooter
CN110564423A In-situ composite repairing agent for heavy metal contaminated soil
CN110569412A Electronic file management device
CN110556247A preparation method of sandwich-structure high-energy-storage low-conductivity polymer-based composite film
CN110574949A Vegetable dewatering and drying device
CN110447924A A kind of garlic peeler
CN110584167A Garlic continuous drying tower
CN110152179A A kind of sealed medical cotton swab
CN110127007A A kind of underwater transport device
CN110116031A A kind of building waste recyclable device
CN110140525A A kind of device of indirect labor's fruit-picking
CN110100851A A kind of and face dough kneading device
CN110100850A A kind of manual imitation and face dough kneading device
CN110101217A A kind of shoe chest with polishing function
CN110122521A A kind of molding machine for steamed bun production
CN110115281A A kind of steamed bun rapid molding device
CN110165525A A kind of fixture convenient for network wire crystal joint handling
CN110053398A A kind of reciprocation type blackboard eraser structure