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SHANDONG YIKUANG DRILLING TECH CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    99,120
About

SHANDONG YIKUANG DRILLING TECH CO LTD has a total of 17 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, packaging and shipping and machine tools are STEELHAUS TECH INC, TEXAS IRON WORKS and FENTON STEPHEN P.

Patent filings in countries

World map showing SHANDONG YIKUANG DRILLING TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing SHANDONG YIKUANG DRILLING TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Haifeng 17
#2 Wang Hairui 13
#3 Wang Gang 13
#4 Dong Yuewu 3
#5 Qiu Lixin 3

Latest patents

Publication Filing date Title
CN111894469A Push rod jacking type reamer
CN111878000A Drill rod for signal carrier transmission
CN111810048A Hydraulic propeller
CN111734314A Joint movable wing telescopic drill bit
CN111720075A Mechanical ejector rod type drill rod
CN111691824A Mechanical floating wing deslagging, reaming and cave-making technology
CN111664276A Pressure-adjustable high-low pressure conversion valve body
CN111535753A Drillable hole packer
CN111520086A Ratchet type drilling tool connecting device
CN111535754A Connecting device for elastic pin limiting drilling tool
CN111335824A Surface-impregnated composite sheet alloy drill rod
CN111173462A Drill rod recycling device with funnel structure
CN111005681A Remote intelligent drilling robot with electro-hydraulic execution control function
CN110821414A Wear-resisting anti-skidding drilling rod
CN110485998A A kind of safety protection technique controlled for High Temperature Disaster in drilling hole
CN109505579A A kind of adjustable fluid injection joint-cutting device
CN111375660A Numerical control tape winder