Learn more

XU RAN

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    46,483
About

XU RAN has a total of 37 patent applications. Its first patent ever was published in 1999. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, pharmaceuticals and macromolecular chemistry and polymers are HUANG GUANGYOU, LI WANQING and ZHANG YUN.

Patent filings in countries

World map showing XU RANs patent filings in countries
# Country Total Patents
#1 China 37

Patent filings per year

Chart showing XU RANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Ran 17
#2 Liu Chuang 4
#3 Gao Lijun 4
#4 Zhao Fenggang 1
#5 Lu Juan 1
#6 Ding Xiaoling 1
#7 Zha Fuji 1

Latest patents

Publication Filing date Title
CN111810252A Split carbon ring type serial dry gas sealing device for industrial steam turbine
CN111828100A Serial dry gas sealing device for industrial steam turbine
CN111810253A Double-end-face dry air sealing device for industrial steam turbine
CN111810251A Split carbon ring type double-end-face dry air sealing device for industrial steam turbine
CN108694832A Vehicle congestion method of control and system when a kind of two-way two three-lane roads part construction
CN105623442A Expansive fireproof coating and preparation method thereof
CN105694616A Waterborne expansion fireproof coating and preparation method thereof
CN105542604A Waterborne ultrathin intumescent fire-retardant coating and preparation method thereof
CN105505052A Steel-structure super-thin intumescent fire-retardant coating and preparing method thereof
CN105542587A Steel structure fireproof coating and preparation method thereof
CN105647300A Expandable fireproof paint and preparation method thereof
CN105505026A Water-based ultra-thin expansive type steel structure fire-retardant coating and preparation method thereof
CN105566968A Water-based fireproof coating and preparing method thereof
CN105567043A Fireproof paint and preparing method thereof
CN105694627A Waterborne fireproof coating for steel structure and preparation method of waterborne fireproof coating
CN105381222A Traditional Chinese medicine composition for treating facial spasm and preparation method thereof
CN105434921A Traditional Chinese medicine preparation for preventing and curing facial spasm and preparation method
CN105434922A Preparation for treating facial paralysis and preparation method thereof
CN105395940A Chinese medicinal composition mainly treating hemifacial spasm and preparation method
CN105395939A Preparation for treatment of facial paralysis and preparation method