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CHEN KEJIAN

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    167,351
About

CHEN KEJIAN has a total of 15 patent applications. Its first patent ever was published in 1989. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, machines and environmental technology are AGC ENGINEERING CO LTD, WIL MAN POLYMER FILTRATION GMB and KUREHA ENG KK.

Patent filings in countries

World map showing CHEN KEJIANs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing CHEN KEJIANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Kejian 13
#2 Kejian Chen 2
#3 Junxiu He 1

Latest patents

Publication Filing date Title
CN111995203A Intermittent type formula stoving discharging device that environmental protection silt was handled
CN112050561A Spreading type sludge dewatering and drying device
CN111991939A Self-cleaning environmental protection dust collector
CN112067361A Synchronous sampling type depth adjusting and sampling device
CN112023543A Tube-shape water conservancy diversion type environmental protection dust collector
CN112024191A Synchronous pretreatment type environment-friendly paint spraying device
CN111925094A Centrifugal extrusion type environmental protection dewatering device
CN112064244A Elasticity alternating type textile fabric environmental protection belt cleaning device
CN112049169A Uniform suction type environment-friendly dredging device
CN112090558A Construction waste dustless environmental protection processing apparatus
CN103862654A Parallel counter-rotating intermeshing twin-screw extruder
CN103862653A Parallel co-rotating intermeshing twin-screw extruder
CN1152683A Bamboo woven reinforced composite pipe and shaping technology method
CN1066209A The production method of lamination hollow material
CN1052812A Thermosetting linen down material