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WU ZHIREN

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    106,686
  • Filing trend
    ⇩ 100.0%
About

WU ZHIREN has a total of 38 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1995. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, basic materials chemistry and chemical engineering are ENERGY RECOVERY RES GROUP INC, WATERFRONT NV and ARCALON GEN PETROLEUM.

Patent filings in countries

World map showing WU ZHIRENs patent filings in countries

Patent filings per year

Chart showing WU ZHIRENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Zhiren 36
#2 Zhu Yanjun 9
#3 Zhou Qunlong 8
#4 Xiang Guanghui 7
#5 Zhiren Wu 1
#6 Ling Daxin 1
#7 Liu Jun 1

Latest patents

Publication Filing date Title
CN112110629A Sludge filter pressing method using sludge carbon as filter aid
CN110215749A A kind of capacity plate and frame type filter-press
CN110240382A Vapor recompression combines far infrared disk drying machine and its system
CN110436738A A kind of heating steam walks the disk in snail road
CN110256115A A kind of antibiotic bacterium dregs and farm's animal wastes recycling treatment system
CN110240914A A kind of vertical shaft type tubulation retort
CN110028979A A kind of rotary retort of biomass producing or not wood vinegar less
CN107474881A Biological particles downdraft gas-charcoal furnace with activation section, two times of gasification
CN107163953A A kind of biomass and carbon containing thermal decomposition of organic wastes rotary furnace and thermal decomposition product recovery system
CN104789236A Internal-combustion type biomass particle material drying, carbonizing and activating integrated furnace
CN104785002A Disk type filter pressing device
WO2016172935A1 Sewage treatment method using self-produced sludge carbon and sludge carbon preparation system
CN104818036A Method for using self-produced sludge carbon to perform sewage treatment and sludge carbonizing system
CN104138677A Disk type filter pressing device and filter pressing method
CN103925782A Circular air drying machine
CN103922334A Method and device for preparing active carbon by white spirit grains
CN104099210A Bamboo wine making technology
CN103244698A Large-sized quick opening-and-closing gate-ball combined valve
CN102445095A Multi-passage spiral corrugated plate type heat exchanger
CN102102021A Lignite upgrading furnace