Learn more

DANDONG COLOSSUS GROUP CO LTD

Overview
  • Total Patents
    75
  • GoodIP Patent Rank
    57,669
  • Filing trend
    ⇩ 14.0%
About

DANDONG COLOSSUS GROUP CO LTD has a total of 75 patent applications. It decreased the IP activity by 14.0%. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements and engines, pumps and turbines are ENVIROSEAL ENGINEERING PRODUCTS LTD, DALIAN HUAYANG SEALS CO LTD and SEALING DEVICES PTY LTD.

Patent filings in countries

World map showing DANDONG COLOSSUS GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 75

Patent filings per year

Chart showing DANDONG COLOSSUS GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Teng Peng 29
#2 Mei Yikuan 20
#3 Ji Dehong 18
#4 Xu Bin 18
#5 Fang Mingxin 17
#6 Xu Yi 16
#7 Zang Zuxuan 14
#8 Zang Yunqi 13
#9 He Degui 11
#10 Li Jiming 10

Latest patents

Publication Filing date Title
CN111946827A Mechanical sealing device for sewage pump
CN111852950A Mechanical sealing device for high-temperature hot water pump
CN111946830A Mechanically sealed metal corrugated pipe compensation assembly
CN111852857A Screw rod steam compressor with sealing mechanism on end face of spiral rotor
CN111852571A Vapor-liquid full-flow screw power machine with double vapor inlet structures
CN111442091A Integrated closed spring compensation static ring assembly of mechanical sealing device
CN111442092A Mechanical sealing device for closed integrated spring compensation static ring assembly
CN110469677A Nuclear power medium-voltage safety injection pump mechanical seal end surface
CN109488770A Nuclear power plant containment shell heat derives pump uses double end-face mechanical sealing device
CN109488769A Double mechanical seal with bidirectional screw pumping ring seal liquid circulation mechanism
CN109441871A Nuclear power feed pump mechanical sealing linkage ring device
CN109654229A The external protection integrated mechanical seal device of counterbalance spring
CN109185221A Become balance diameter, spring full protection type double mechanical seal
CN109185460A The stationary ring compensation component of mechanically-sealing apparatus
CN107401524A The low temperature resistant serial mechanical seal device of pump
CN107401614A Nuclear power safety injection pump mechanical seal end surface
CN107401616A Nuclear power low pressure safety injection pump mechanically-sealing apparatus
CN107435654A Nuclear power medium-voltage safety injection pump mechanically-sealing apparatus
CN107355541A Nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat
CN107355415A Nuclear power condensate pump mechanically-sealing apparatus