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JIANGSU GUORUI HYDRAULIC PRESSURE MACHINE CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    135,018
  • Filing trend
    ⇩ 66.0%
About

JIANGSU GUORUI HYDRAULIC PRESSURE MACHINE CO LTD has a total of 16 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and surface technology and coating are HYDROPERFECT INT, PROJECT PHOENIX LLC and SAUER SUNDSTRAND LTD.

Patent filings in countries

World map showing JIANGSU GUORUI HYDRAULIC PRESSURE MACHINE CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing JIANGSU GUORUI HYDRAULIC PRESSURE MACHINE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ruan Ruiyong 14
#2 Luo Nianzhu 2
#3 Nianzhu Luo 1

Latest patents

Publication Filing date Title
CN112096560A Superspeed cycloid hydraulic motor
CN111322285A Throttle control propulsion valve group
CN111322238A Integrated gear pump
CN110630431A Shaft flow distribution hydraulic motor
CN110438548A The ceramming processes of metal hydraulic element housings
CN110857709A Control device of three-control multi-way valve capable of realizing manual electric control and hydraulic control
CN109236558A An a kind of tooth difference internal messing planetary hydraulic motor floating side plate device
CN109236772A A kind of multitandem valve control device of combined load adaptation function and overload function
CN109236637A A kind of gear pump of achievable low pressure and mass flow and high-pressure low-flow
CN105952637A Large displacement high pressure gear pump with driving and driven wheels in different sizes
CN105889060A Double open type axial clearance compensation high pressure gear pump
CN104976186A Pressure protective valve matched with hydraulic lock
CN104948533A Load sensing pressure compensator
CN102913438A Hydraulic pump changeover valve
CN102141062A Proportion distribution dual induction and dual damping pressure compensator
CN102094863A Electrohydraulic ratio multi-channel control valve with convertible pressure compensation mode