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BEIJING HAOHAI TIANJI TECHNOLOGY CO LTD

Overview
  • Total Patents
    14
About

BEIJING HAOHAI TIANJI TECHNOLOGY CO LTD has a total of 14 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are MIYAZAKI SHIRO, GUANGXI YULIN HONGJIANG ENERGY SCIENCE & TECHNOLOGY CO LTD and SOIL AND FERTILIZER INST SHANDONG ACADEMY OF AGRICULTURAL SCIENCES.

Patent filings in countries

World map showing BEIJING HAOHAI TIANJI TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing BEIJING HAOHAI TIANJI TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Du Wenli 9
#2 Wenli Du 4
#3 Sun Yanhua 4
#4 Li Yuan 4
#5 Li Guoqing 4
#6 Zhao Xiongsheng 3
#7 Shilong He 2
#8 He Shilong 2
#9 Yao Wei 2
#10 Sun Wang 2

Latest patents

Publication Filing date Title
CN102533369A Process method for methane purification
CN102531312A Technology for treating sludge by using dry anaerobic fermentation and low-temperature carbonization
CN102527701A Comprehensive treating system for domestic wastes
CN102553888A Kitchen refuse pretreatment integrated device
CN102976497A Method for treating high-concentration organic waste water by bacilli
CN102950104A Disk screen applicable to mixed rubbish and kitchen rubbish
CN102950109A Selective garbage screening and feeding device and method
CN102949865A Discrepant bubble separation device for greases
CN101837142A Photolytic deodorization device and method
CN101822956A Homogenization device and method of garbage
CN101823019A Air separation device and method of garbage
CN101823048A Garbage sorting device and method
CN101632899A Device and method for deodorization and sterilization of malodorous gas
CN101302408A Deodorization adhesive and preparation thereof