Learn more

LI HUAYU

Overview
  • Total Patents
    591
  • GoodIP Patent Rank
    3,205
  • Filing trend
    ⇩ 40.0%
About

LI HUAYU has a total of 591 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 1991. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets environmental technology, thermal processes and engines, pumps and turbines are ALEFELD GEORG, ZHOU YONGKUI and AGO AG EN & ANLAGEN.

Patent filings in countries

World map showing LI HUAYUs patent filings in countries

Patent filings per year

Chart showing LI HUAYUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Huayu 589
#2 Li Hongrui 190
#3 Huayu Li 1
#4 Qin Lei 1
#5 Li Huayu Li 1
#6 Zhao Tianfeng 1

Latest patents

Publication Filing date Title
WO2021072989A1 Single-working medium combined cycle heat pump device
WO2021072992A1 Single working medium combined circulation heat pump device
WO2021072991A1 Single-working medium combined cycle heat pump device
WO2021072990A1 Single-working medium combined cycle heat pump device
WO2021072993A1 Single-working-medium combined cycle heat pump device
WO2021072994A1 Single working medium combined cycle heat pump device
WO2021072988A1 Reverse single-working-medium steam combined cycle and single-working-medium combined cycle heat pump device
WO2021068431A1 Single-working-medium combined cycle heat pump device
WO2021068428A1 Single-working-medium combined cycle heat pump device
WO2021068429A1 Single-working-medium combined cycle heat pump device
WO2021047126A1 Reverse single-working-medium steam combined cycle
WO2021047125A1 Reverse single-working-medium steam combined cycle
WO2021047127A1 Reverse single-working-medium steam combined cycle
WO2021042648A1 Single working medium-vapor combined cycle
WO2021042649A1 Single working medium steam combined cycle
WO2021042646A1 Single working medium steam combined cycle
WO2021042647A1 Single working medium steam combined cycle
WO2021036153A1 Single working fluid steam combined cycle
WO2021036152A1 Single working medium steam combined cycle
CN111980746A Colliery is equipment train scheduling management system in pit