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DUAN MANSHAN

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    222,514
About

DUAN MANSHAN has a total of 22 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and machines are GUANGDONG KEDA IND CO LTD, GUANGDONG SONGFA CERAMICS CO LTD and MAGDEBURG ZIEGELWERKE.

Patent filings in countries

World map showing DUAN MANSHANs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing DUAN MANSHANs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Duan Manshan 22
#2 Guo Zhigang 1

Latest patents

Publication Filing date Title
CN103693208A Anti-collision soft belt of carrier aircraft
CN103736221A Mask with isolated cavities
CN103252030A Long tube and fresh air mask
CN103240796A Low voltage electromagnet for ceramic die
CN103405963A Excrement-water separation device
CN103195150A Submerged silent water inlet valve
CN103143218A Impact spray dust-removing equipment
CN103007458A Pure air mask
CN103057649A Stepping bike
CN103061393A Mute flush valve
CN103015507A Graded water replenishing and discharging valve
CN103671459A Self-locking suspension mould hook
CN102817405A Negative pressure siphoning-assisting device of closed water tank
CN103104024A Mass flow floor drain with float
CN103104189A Whole wire rope emergency escape ladder with ring-in-ring structure
CN101021283A Pressure storage valve
CN101020163A Multicavity centrifuger
CN101063316A Dishware sealing water saving closet
CN1789576A Curve tube flexible water-saving toilet
CN1743576A Movable elbow water-saving toilet