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SUNRISE ENERGY TECH LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    111,942
  • Filing trend
    ⇩ 33.0%
About

SUNRISE ENERGY TECH LTD has a total of 15 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and measurement are SUDELAC LTD, EUROP DE TURBOFORAGE SOC and DUHN OIL TOOL INC.

Patent filings in countries

World map showing SUNRISE ENERGY TECH LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing SUNRISE ENERGY TECH LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Wang Qiong 15
#2 Tao Feng 15
#3 Zhang Jian 15
#4 Zhu Xiangbin 14
#5 Ma Xiaoping 11
#6 Wang Pu 9
#7 Cheng Shijun 8
#8 Zhou Ying 7
#9 Li Jingzhou 7
#10 Wang Xian 7

Latest patents

Publication Filing date Title
CN111734350A Separating valve capable of being opened and closed repeatedly
CN111734377A Well cementation fracturing technology and well cementation fracturing operation pipe column
CN111734361A Open-hole gravel packing sand prevention process and open-hole gravel packing sand prevention service pipe string
CN111734362A Large-drift-diameter sand prevention process for filling gravel layer at a time
CN111734339A Hydraulic retrievable packer with large drift diameter
CN111734360A Mechanically controlled reverse circulation check valve
CN110566154A Ultra-short type removable hydraulic packer
CN110454104A A kind of hydraulic releasing running tool
CN109798088A A kind of permanent type bridge plug unsealed
CN109798087A A kind of retrievable hanging packer of double packing elements
CN108397155A A kind of closable hydraulic pressure opening sliding sleeve
CN108397154A A kind of anti-hydraulic packer being hampered
CN107238495A A kind of packer performance tester for testing
CN107178354A Without differential drag fracturing technique and fracturing tool string in a kind of sleeve pipe
CN106639994A Oil pipe gas injection and water drainage technique and tools thereof