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YANGZHOU CHICHENG PETROLEUM MACHINERY CO LTD

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    53,052
  • Filing trend
    ⇩ 84.0%
About

YANGZHOU CHICHENG PETROLEUM MACHINERY CO LTD has a total of 32 patent applications. It decreased the IP activity by 84.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, chemical engineering and environmental technology are NOV SUBSEA PRODUCTS AS, MBJ Water Partners and SUGIMOTO AKITOSHI.

Patent filings in countries

World map showing YANGZHOU CHICHENG PETROLEUM MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

Chart showing YANGZHOU CHICHENG PETROLEUM MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Yang 17
#2 Xu Jun 12
#3 Wei Jun 9
#4 Chang Qing 6
#5 Ge Zhilei 6
#6 Ma Jing 4
#7 Jin Xuehong 4
#8 Cao Huamin 4
#9 Zhang Yong 3
#10 Wang Sizhong 3

Latest patents

Publication Filing date Title
CN110294550A A kind of reuse complex treatment method and device of fracturing outlet liquid
CN109260961A A kind of antipollution modified polyvinilidene fluoride film and preparation method thereof
CN109098681A A kind of well head sealing device between conduit and casing
CN109896697A A kind of highly difficult wastewater processing technology HPBV technique in oil field
CN109896616A A kind of highly difficult waste water in oil field is micro- to catch technique
CN109896615A A kind of highly difficult waste water high concentration active oxygen species technique in oil field
CN109896612A A kind of environmental protection treatment catalysis oxidation tank
CN109896595A A kind of highly difficult waste water light electrolysis pH micro-organism treatment process in oil field
CN109893924A A kind of belt deduster
CN109896609A A kind of highly difficult wastewater oxidation technique in oil field
CN109896617A A kind of HPBV technique biochemistry pool treatment process
CN109896696A A kind of highly difficult waste water treatment process in oil field
CN109893974A A kind of desulfurization denitration process
CN109248487A Pressure break filtering sled
CN109138894A 90 degree of safe opening stopper pin devices of cementing head
CN109138909A A kind of new E ZSV can bore bridge plug
CN106320995A Upper structure of novel smart catway
CN106168123A Intelligence cat road lifting mechanism
CN106223874A Intelligence cat road lower mechanisms
CN105800907A Device and method for treating drilling mud without falling on the ground