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ZHANG JINNAN

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    134,381
About

ZHANG JINNAN has a total of 19 patent applications. Its first patent ever was published in 1992. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, machines and civil engineering are TUBOSCOPE I P INC, VIRDRILL AS and BAILEY MARSHALL GRAHAM.

Patent filings in countries

World map showing ZHANG JINNANs patent filings in countries

Patent filings per year

Chart showing ZHANG JINNANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Jinnan 19
#2 Fang Xi 7
#3 Li Yujia 5
#4 Ren Tao 4
#5 Zhu Xiaomei 4
#6 Zeng Ming 4
#7 Zhang Minghong 2

Latest patents

Publication Filing date Title
CN112042298A Furrow plough with fertilizing function and working method thereof
CN105834093A GW-XZ type linear vibrating screen
CN105537094A Large-span vibration exciter based on steel rope couplers
CN105344577A Eccentric shaft barrel type vibration exciter with adjustable force and frequency
CN105134813A Wire rope saddle-shaped block flexible coupling
CN104612608A Novel mud solid control system and technology
CN104492693A Novel single-mass vibrating screen
CN104188773A Split type intelligent wheelchair for the handicapped
CN104088597A Self-adaptation intelligent frequency modulation drilling vibrating screen
CN104028456A Ultra-wide multilayer vibrating screen
CN104014482A Vibrating screen with socket-type mounted long motor
CN103357567A Novel large-span vibration exciter
CN103331056A Vibration-rotation-type solid-liquid separation machine
CN103331049A Dynamic pressure solid-liquid separator
CN103280915A Novel multipurpose longspan shock excitation motor
CN102814274A Novel self-synchronizing vibrating screen with wide screen surface
CN1069309A Reciprocating traction device