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ZHEJIANG HEADMAN FILTRATION TECH CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    118,460
  • Filing trend
    ⇩ 100.0%
About

ZHEJIANG HEADMAN FILTRATION TECH CO LTD has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and surface technology and coating are MANN+HUMMEL GMBH, ADVANCED FLOW ENGINEERING INC and AIR MAZE GREAT BRITAIN LTD.

Patent filings in countries

World map showing ZHEJIANG HEADMAN FILTRATION TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing ZHEJIANG HEADMAN FILTRATION TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pan Zhixin 4
#2 Shi Qingsong 4
#3 Wu Chaojie 3
#4 Guo Qizhen 3
#5 Guo Qilian 2

Latest patents

Publication Filing date Title
CN112122076A Hydraulic glue injection tool for center joint of filter element
CN111058921A Filter assembling process
CN107875734A A kind of U-shaped accurate filter
CN107875698A A kind of portable thermal well flushing filter
CN107762695A A kind of fuel pressure filter
CN107875718A A kind of spiral screen well strainer
CN107890723A A kind of filter of replaceable filter screen
CN107715563A A kind of fluffy bag filter
CN107869414A A kind of combustion engine air filters
CN107913582A A kind of gas turbine air filter
CN107754408A A kind of Integral filter
CN107744698A A kind of high-pressure gas filter
CN107899294A A kind of return filter device
CN107930305A A kind of portable pipe filter