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PING DU

Overview
  • Total Patents
    11
About

PING DU has a total of 11 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are CHONGQING ACADEMY OF FORESTRY, NAKAMURA TOMIO and CHENGDU JINJIUGE TECH CO LTD.

Patent filings in countries

World map showing PING DUs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing PING DUs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Ping Du 8
#2 Du Ping 3
#3 Liu Shuocheng 2

Latest patents

Publication Filing date Title
CN102476941A Cement and straw composite board
CN102476968A Organic-inorganic compound fertilizer and preparation method thereof
CN102476960A Method for producing organic fertilizer by using sludge
CN102476967A Special fertilizer for vegetable
CN102467805A Alarm for preventing dozing
CN102462105A Anti-theft bag provided with light-emitting diode (LED) lamp
CN102467257A Multifunctional electronic pen
CN101633286A Sandwich painting reinforced flat plate art glass and preparation method thereof
CN1481965A Method of welding across corners for aluminum-plastic compounded section material
CN1375908A Triphase AC synchronous permanent-magnet motor and generator
CN1378325A Wiring method for multifunction motor stator winding