Learn more

CHEN WENHUA

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    90,481
  • Filing trend
    ⇧ 40.0%
About

CHEN WENHUA has a total of 20 patent applications. It increased the IP activity by 40.0%. Its first patent ever was published in 2003. It filed its patents most often in China. Its main competitors in its focus markets agriculture, machines and chemical engineering are CHONGQING DINGHEHUANG TECH CO LTD, YUTKIN L A and WANG ZITENG.

Patent filings in countries

World map showing CHEN WENHUAs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Chen Wenhua 20

Latest patents

Publication Filing date Title
CN112272978A Disseminator for farming
CN111871308A Fertilizer mixing arrangement for farming
CN111842453A Continuous efficient soil remediation device
CN108283130A A kind of agricultural irrigation irrigation system based on trickle irrigation and shower technique
CN108207899A A kind of simple and efficient water-saving drip irrigation device
CN108293844A A kind of agricultural irrigation irrigation system based on deep soil layer irrigation technology
CN108207566A A kind of agricultural irrigation irrigation system based on spatial gradient irrigation technology
CN108295951A A kind of agricultural greenhouse plantation culture soil disintegrating apparatus
CN108339612A A kind of agricultural planting chemical fertilizer crushing grinding device
CN108273598A A kind of agricultural production corn mill pulverizer
CN108211059A A kind of hospital patient infusion arm fixing device
CN108186081A A kind of hospital operating room surgical forceps with shearing function
CN108187195A A kind of clinic's patient infusion arm auxiliary fixing device
CN107021585A A kind of water purifier of composite type filter element component
CN106986491A A kind of good household water filter of purifying water effect
CN105841459A Efficient textile drying device
CN105750271A Dust collection device of spinning machine
CN105750303A Efficient solid waste treatment and recycling device
CN1575810A Chinese herbal medicine for treating intractable headache
CN1575809A Antilipemic Chinese herbal medicine