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WENRUI MACHINERY SHANDONG CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    131,384
  • Filing trend
    ⇩ 50.0%
About

WENRUI MACHINERY SHANDONG CO LTD has a total of 20 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets textiles and paper, chemical engineering and packaging and shipping are SUNDS DEFIBRATOR RAUMA OY, SALMINEN REIJO and LAAKSO OLIVER ARMAS.

Patent filings in countries

World map showing WENRUI MACHINERY SHANDONG CO LTDs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing WENRUI MACHINERY SHANDONG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Shanfeng 6
#2 Ma Huanxing 6
#3 Meng Lingqi 6
#4 Xin Hua 5
#5 Li Weiqin 5
#6 Chen Anjiang 5
#7 Li Mingqin 4
#8 Zhang Wenjuan 4
#9 Wang Yucheng 3
#10 Wang Yuejie 3

Latest patents

Publication Filing date Title
CN111674853A Self-compensating contact type high-airtightness rotary discharger
CN111270542A Corrugated disc and multi-disc filter
CN111022701A Cylindrical distribution valve
CN110004758A Roller spacing adjusting device and double roller wash engine
CN109989286A Wash engine and paper making equipment
CN109663404A A kind of efficient more changing device of filter cake
CN109675362A A kind of self opening shield
CN109733987A A kind of large-diameter end support device
CN109432846A A kind of closed fine filtering apparatus of high-quality environment protective
CN108176085A Green liquor high-efficiency clarifier
CN107415301A A kind of plectonemic spiral material concentrator of high-efficiency environment friendly
CN104711880A Chemi-mechanical pulp manufacturing technology
CN103952938A Hydraulic-type dual-network roll press master
CN103757961A Batch cooking device and liquid distribution method thereof
CN103757962A Batch cooking slurry discharge device and slurry discharge method thereof
CN103352385A Energy-saving and environment-friendly displacement cooking process for wood and bamboo raw materials
CN102635010A Pulp distribution device of dual-roll pulp extruding machine
CN102286893B Pulp washer
CN101525857A Method and device for evenly distributing fluid medium
CN101444883A Process for manufacturing squeeze rolls of twin-roll squeezer