Learn more

Hebei nonghaha machinery group co ltd

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    171,584
About

Hebei nonghaha machinery group co ltd has a total of 11 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets agriculture, environmental technology and control are CHONGQING SHANGTIAN ECOLOGICAL AGRICULTURE DEV CO LTD, IRRIGATION CONTROL NETWORKS PT and MOLNAR CHARLES J.

Patent filings in countries

World map showing Hebei nonghaha machinery group co ltds patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing Hebei nonghaha machinery group co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Dongliang 3
#2 Zhao Jin 3
#3 Zhang Yongsheng 3
#4 Zhang Jinguo 3
#5 Zhao Shuangzhen 2
#6 Xiao Shengyuan 2
#7 Wang Yanbo 2
#8 Zhang Xueqian 2
#9 Liu Jiayin 1
#10 Liu Hui 1

Latest patents

Publication Filing date Title
CN110881291A Equal plant spacing seed sowing device
CN106489369A A kind of plough overload protection arrangement
CN106171864A A kind of intelligent electric sprinkler with reel
CN106211904A A kind of Chinese yam harvester
CN104541696A Air suction metering device
CN104571049A Transmission speed data collecting device for reel sprinkling irrigation machine and monitoring system
CN105519286A Wheat dense row uniform sowing machine
CN104106331A Hydraulic driving device for draught fan of pneumatic type seeding machine
CN105265045A Corn no-tillage precision seeder with seedbed strip rotary-tillage after subsoiling whole layer fertilization
CN102771230A Scoop-wheel seeding unit
CN103563510A Land wheel device for soil crushing, driving and limiting