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FENGFAN CO LTD

Overview
  • Total Patents
    108
  • GoodIP Patent Rank
    24,062
  • Filing trend
    ⇧ 9.0%
About

FENGFAN CO LTD has a total of 108 patent applications. It increased the IP activity by 9.0%. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and measurement are ACCUMULATORENFABRIEK VARTA N V, DALIAN RONGKE POWER CO LTD and SHENZHEN QIANHAI YOURONG TECH LTD.

Patent filings in countries

World map showing FENGFAN CO LTDs patent filings in countries
# Country Total Patents
#1 China 108

Patent filings per year

Chart showing FENGFAN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gu Zhihua 11
#2 Yang Shujuan 8
#3 Niu Jihui 7
#4 Guo Haipeng 7
#5 Song Yanlong 6
#6 Shi Chen 6
#7 Liu Jianmin 6
#8 Wang Zaihong 6
#9 Du Xiaopu 5
#10 Han Xiaoyong 5

Latest patents

Publication Filing date Title
CN112271415A Vacuum acid filling device for AGM battery
CN112271414A Vacuum acid filling system and method for AGM battery
CN112259843A Battery cover and battery
CN111987368A Monomer accumulator with extra-large capacity
CN112121660A Method for preparing anode slurry of lithium ion battery
CN112103569A Method for prolonging high-temperature floating charge life of AGM valve-controlled sealed storage battery
CN112018750A Vehicle-mounted dual-power supply system
CN111906051A Welding quality detection equipment for storage battery busbar
CN111906250A Die and method for eliminating air holes in lead parts
CN111929121A Method for preparing lead alloy metallographic sample for lead-acid storage battery and displaying structure of lead alloy metallographic sample
CN111722128A Low-voltage matching method for lithium batteries
CN111403705A Negative electrode material of high-power lithium battery, preparation method and lithium battery
CN111403827A Air-cooled formation method and air-cooled formation system for lead-acid storage battery
CN111117736A Storage battery electrode protection oil and preparation method thereof
CN110828903A Cell infiltration method of flexible package lithium ion battery
CN110828776A Puncture-resistant low-temperature-resistant cylindrical lithium ion battery and preparation method thereof
CN110611126A Portable direct-connected container formation valve-controlled sealed lead-acid storage battery and manufacturing method thereof
CN110600674A Slurry mixing process of lithium ion battery slurry
CN110600641A 48V system lithium ion battery module
CN110376209A Battery separator detection device