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HUNAN HANGTIAN CHENGYUAN PREC MACHINERY CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    172,345
  • Filing trend
    ⇩ 100.0%
About

HUNAN HANGTIAN CHENGYUAN PREC MACHINERY CO LTD has a total of 16 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, measurement and electrical machinery and energy are GUANGDONG GAITEQI NEW MATERIAL TECH CO LTD, CHANGXING KETE CARBORUNDUM CO LTD and SICHUAN PROVINCE JIN TENG ENVIRONMENTAL BUILDING MAT CO LTD.

Patent filings in countries

World map showing HUNAN HANGTIAN CHENGYUAN PREC MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing HUNAN HANGTIAN CHENGYUAN PREC MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hu Juan 9
#2 Shu Yanghui 9
#3 Hai Chunying 7
#4 He Fang 6
#5 Song Manxin 5
#6 Liu Keqi 4
#7 Wan Shaoping 4
#8 Liu Yunyan 4
#9 Lou Yang 4
#10 Hu Shengqing 4

Latest patents

Publication Filing date Title
CN111995425A Gel casting material composition of aluminum silicon carbide composite material, prefabricated part and preparation method of structural part
CN108195686A A kind of electric wire high pressure crossing cabin testing equipment
CN108151887A A kind of microwave experiment stove
CN108015882A A kind of vacuum gel-casting device
CN105864435A Hydraulic control ultrahigh-pressure two-way stop valve for fluid and fluid stopping or communication method
CN105461313A A sintering method of a silicon carbide structural member skeleton
CN104313550A Surface modification method of silicon carbide space reflector
CN104259430A Metal and alloy vacuum die casting forming device and method
CN104259420A Die casting machine and method for automatically separating die from die casting machine
CN103600053A Accurate forming tool of aluminum silicon carbide composite IGBT (insulated gate bipolar translator) baseplate
CN103658659A Near-net forming method of aluminum-silicon-carbide IGBT substrate with double faces coated with aluminum
CN102418054A Vacuum pressure alumetizing channel and isolation device and preparation method thereof
CN102508327A Method for preparing aluminum and silicon carbide composite material reflector with high volume fraction
CN102335747A Preparation method for aluminum silicon carbide compound material IGBT (Insulated Gate Bipolar Translator) substrate and method for inlaying aluminum alloy
CN102277564B Process for chemical nickel-phosphorus alloy plating on surface of aluminum and silicon carbide composite material
CN102191398A Preparation method of carborundum particle reinforced aluminum matrix composite material with high volume fraction