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JIANGSU WANCHUAN HYDRAULIC MACHINERY EQUIPMENT CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    141,903
About

JIANGSU WANCHUAN HYDRAULIC MACHINERY EQUIPMENT CO LTD has a total of 12 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and packaging and shipping are IMAMURA YUUZOU, Jiangsu hengjiu machinery co ltd and PISTONPOWER APS.

Patent filings in countries

World map showing JIANGSU WANCHUAN HYDRAULIC MACHINERY EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing JIANGSU WANCHUAN HYDRAULIC MACHINERY EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qian Xiaogang 10
#2 Qian Yan 7
#3 Ji Peng 6
#4 Qian Guangyong 5
#5 Qian Minghui 4
#6 Tang Ting 1
#7 Zhang Juxiang 1
#8 Zheng Wenfu 1
#9 Ji Xiujuan 1

Latest patents

Publication Filing date Title
CN111943074A Follow-up self-locking jack
CN111943075A Follow-up self-locking three-dimensional jack
CN111140565A Piston linking mechanism
CN111120293A Four-way low-damping double-acting one-way valve
CN111120243A Double-layer charging barrel mechanism
CN111140489A Three-way low-damping double-acting one-way valve
CN111140460A Single-cylinder single-feeding hydraulic piston pump
CN111140458A Single-cylinder double-feeding hydraulic piston pump
CN111120244A Double-cylinder double-feeding hydraulic piston pump
CN111140459A Double-cylinder single-feeding hydraulic piston pump
CN111089095A Stroke adjusting and reversing device of hydraulic oil cylinder
CN110821922A Sensitive servo monitoring compensation system for foundation pit horizontal supporting axial force and displacement load