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HE YANGDONG

Overview
  • Total Patents
    15
About

HE YANGDONG has a total of 15 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets mechanical elements and engines, pumps and turbines are KOVROVSKIJ T I, SHVARTSMAN ARKADIJ Z and WANSHAN SPECIAL ZONE HONG AN FRICTION MATERIAL CO LTD.

Patent filings in countries

World map showing HE YANGDONGs patent filings in countries

Patent filings per year

Chart showing HE YANGDONGs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Servomotors
#2 Pumps

Top inventors

# Name Total Patents
#1 He Yangdong 15

Latest patents

Publication Filing date Title
CN103603833A Constant pressure oil circuit control device
CN103410725A Hydraulic pressure increasing valve of lubricating system for concrete pump
CN103148028A Hydraulic system multi-pump combined speed increasing thrust augmentation device for concrete pump
US2009127028A1 Boost Valve for a Concrete Transfer Pump Lubricating System
CN1854535A Cylinder buffering device of hydraulic plunger cylinder
CN1815043A Concret pump hydraulic system control oil circuit device (2)
CN1815040A Concrete pump hydraulic system auxiliary energy-storage flow-increasing device (2)
CN1815042A Concrete pump hydraulic system control oil circuit device
CN1815041A Concrete pump hydraulic system auxiliary energy-storage flow-increasing device