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LI ZHENDONG

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    240,495
  • Filing trend
    ⇩ 100.0%
About

LI ZHENDONG has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1990. It filed its patents most often in China and United States. Its main competitors in its focus markets telecommunications and digital networks are BRUNSON GORDON R, DELREGNO NICK and NUASIS CORP.

Patent filings in countries

World map showing LI ZHENDONGs patent filings in countries
# Country Total Patents
#1 China 12
#2 United States 1

Patent filings per year

Chart showing LI ZHENDONGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Li Zhendong 8
#2 Zhendong Li 5
#3 Hao Zhenwu 1
#4 You Shilin 1
#5 Yu Zhiming 1
#6 Wang Jun 1

Latest patents

Publication Filing date Title
CN107570544A The dedicated extruded equipment of coal bavin multipurpose furnace
CN1470334A Technical method for coating polyester finish on metal surface
CN1470336A Metal surface coating process
CN1470333A Technical method for coating woodenware finish on metal surface
CN1274145A Mouthpiece of flute or vertical bamboo flute
CN1144758A Anti-dazzling technique for backdrop lighting of back and side lamps during vehicle meeting
CN1168447A Globally networked hot mountain wind and solar energy power generation and artificial weather regulating technology
CN1122222A Full-serial single Chinese herb medicine oral preparation
CN1100677A Process for local radial contraction for metal tube
CN1100675A Method for die forming of thin metal tube
CN1067596A Technology for notching metal tube
CN1057217A A kind of method of die forming of thin metal tube