CHONGQING CHANGFENG CHEMICAL IND CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, surface technology and coating and measurement are ZHEJIANG YANSIZHI NETWORK TECH CO LTD, SCHWARZ ERNST MAFAC GMBH and ZHANGJIAGANG HAOTIAN METAL TECHNOLOGY CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 12 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Surface technology and coating | |
#3 | Measurement | |
#4 | Packaging and shipping | |
#5 | Organic fine chemistry | |
#6 | Thermal processes | |
#7 | Transport |
# | Technology | |
---|---|---|
#1 | Devices for applying fluent materials | |
#2 | Cleaning | |
#3 | Analysing materials | |
#4 | Drying solid materials by removing liquid | |
#5 | Details of furnaces | |
#6 | Hand carts | |
#7 | Transport or storage devices | |
#8 | Cleaning | |
#9 | Separation | |
#10 | Acyclic or carbocyclic compounds |
# | Name | Total Patents |
---|---|---|
#1 | Li Dingshan | 11 |
#2 | Zhou Weiping | 1 |
#3 | Li Shutao | 1 |
Publication | Filing date | Title |
---|---|---|
CN107673971A | The method for producing 1,4 cyclohexyl dicarboxylic acid diphenyl esters | |
CN105478305A | Layer scraping device used for paste | |
CN105478427A | Cleaning device specially used for reaction kettle | |
CN105457846A | Uniform glue scraping device | |
CN105486051A | Drying and dehumidifying device for chemical raw materials | |
CN105480730A | Emptying device for ton barrel | |
CN105478423A | Device used for cleaning reaction container | |
CN105539542A | Transport vehicle for chemical pipelines | |
CN105486069A | Drying device for chemical raw materials | |
CN105486089A | Boiler feeding device for smelting | |
CN105597374A | Water removal device for nitrobenzene | |
CN105466743A | Adjustable glue scraping device |