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PU CHANGYAN

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    135,370
About

PU CHANGYAN has a total of 13 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are GALIS MFG COMPANY, FED GOSUDARSTVENNOE BYUDZHETNOE NAUCHNOE UCHREZHDENIE FED ISSLEDOVATELSKIJ TSENTR UGLYA I UGLEKHIMII and YAN ZHENDONG.

Patent filings in countries

World map showing PU CHANGYANs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing PU CHANGYANs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Pu Changyan 13
#2 Wu Limin 11
#3 Liu Qi 10
#4 Lu Daolin 7
#5 Yan Zilong 6
#6 Liu Fang 5
#7 Wang Minglei 5
#8 Jing Zhiguo 4
#9 Zhou Shengwei 3
#10 He Weichao 2

Latest patents

Publication Filing date Title
CN109736801A Digging and anchoring integrated machine
CN109736798A Dig six arm anchor driving machines of anchoring integral
CN105443037A Anchor rod jacking drilling machine and anchor rod jacking drilling carriage with same
CN105626108A Side bolt drilling machine and side bolt drilling carriage with same
CN105332700A Coal mine roadway grooving machine
CN104806279A Combined anchor rod
CN104775837A Railway tunnel anchor jumb drill
CN104818945A Pre-embedded hole drill carriage for coal mine
CN104763452A Transferring and anchor rod anchor cable supporting system
CN104763418A Grooving machine
CN104747078A Tunnel construction trolley
CN104265167A Transshipment anchor rod and anchor cable drill carriage
CN103742176A Excavating and anchor-supporting all-in-one unit