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TIANJIN RONGHENG GROUP CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    182,258
  • Filing trend
    ⇩ 100.0%
About

TIANJIN RONGHENG GROUP CO LTD has a total of 22 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and mechanical elements are INDIGO ENERGY INC, UNIV BEIFANG JIAOTONG and LEVISYS.

Patent filings in countries

World map showing TIANJIN RONGHENG GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing TIANJIN RONGHENG GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chaorong Zhuang 11
#2 Dong Shudong 10
#3 Zhuang Chaorong 8
#4 Bofei Zhou 7
#5 Shudong Dong 7
#6 Zongmin Li 5
#7 Zhao Gong 4
#8 Jia Hongzhong 4
#9 Chen Shuguo 4
#10 Zhou Bofei 3

Latest patents

Publication Filing date Title
CN107514246A Water acquisition water filling assembly in single-well injection-production system
CN107666221A A kind of submersible electric machine with oil rotor assembling structure
CN105952796A Magnetofluid suspension bearing with uniformly distributed magnetofluid
CN105978213A Magnetic fluid suspension bearing of disc motor
CN105298811A Leaked water recycling device for sealed pressurizing protector of pressurizing water injection pump
CN105312486A Shuttering hardening agents
CN104100523A Transmission protection device of screw reinjection pump in same-well injection-production unit
CN103256031A Oil extraction and water injection synchronous conduction control system in same oil well
CN103216467A Novel multilevel horizontal centrifugal pump
CN102594009A Rotor magnetic levitation structure for double-stator disc motor flywheel energy storage device
CN102437698A Rotor structure of permanent-magnet submersible motor with starting squirrel cage
CN102434458A 2/3-molded-line double-head single-screw pump applicable to oil extraction in oil field
CN102305212A Down-hole high load-bearing pressure distribution apparatus of electric submersible progressive cavity pump
CN102588330A Anti-abrasion device for centrifugal water-injection electric pump blade guide wheel
CN102487228A Double-stator alternating current motor flywheel power accumulator
CN102486168A Power assisting device of rodless reciprocating electrical submersible pump
CN102082482A Flywheel accumulator body structure
CN102055260A Rotor structure for 12-pole permanent magnet submersible motor
CN102055261A Rotor structure of 24-pole permanent-magnet submersible motor
CN102055252A Stator punching sheet for low-speed permanent magnet submersible motor