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SHANDONG HONGDA CHEMICAL CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    191,766
About

SHANDONG HONGDA CHEMICAL CO LTD has a total of 13 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 environmental technology, chemical engineering and basic materials chemistry are SICHUAN AVIATION TUBE IND CO LTD, GASTECHNIK G M B H and MARISCHKA CARL ING.

Patent filings in countries

World map showing SHANDONG HONGDA CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing SHANDONG HONGDA CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Hongyong 7
#2 You Tongxiang 6
#3 Wang Junjie 3
#4 Liu Guangheng 3
#5 Li Shaohua 3
#6 Zhang Yan 3
#7 Li Maoyi 2
#8 Zhang Wei 2
#9 Tongxiang You 2
#10 Zhang Fudong 2

Latest patents

Publication Filing date Title
CN106287775A A kind of fine de-sulfur coke-stove gas purge process of safety and environmental protection
CN106268723A A kind of convenient, oxygen molecular sieve situ activation method processed of safety and environmental protection
CN104263421A Coke oven gas purification method
CN104152167A Coking technical method
CN104211026A Process for preparing concentrated nitric acid
CN104945213A Negative pressure drying process for drying tower
CN103613070A Automatic synthesis gas distribution system for extracting and purifying hydrogen from synthesis ammonia mixed gas
CN103615740A Torch detonation ignition safety system
CN102674396A Device for solving problem of exceeding differential pressure of inlet mixer of synthesis ammonia oxygen-enriched compressor
CN102701234A Coking chemical product blower shutdown emergency device
CN102553877A Yellow smoke absorption system for nitric acid pot area
CN102603453A Device and method for increasing temperature of decarburization gas at inlet of synthesis ammonia methanation furnace
CN102563201A Device for eliminating leakage risk of gas gate valve online