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NINGBO DURREX PUMPS CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    233,260
About

NINGBO DURREX PUMPS CO LTD has a total of 12 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines are HILL COMPRESSOR AND PUMP COMPA, WYTWORNIA URZADZEN CHLODNICZYC and ANQING CART COMPRESSOR CO LTD.

Patent filings in countries

World map showing NINGBO DURREX PUMPS CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing NINGBO DURREX PUMPS CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Rotary-pistons

Top inventors

# Name Total Patents
#1 Nie Ruguo 11
#2 Ruguo Nie 1

Latest patents

Publication Filing date Title
CN111140492A High-pressure double-support rotor pump
CN103147980A Mechanical sealing device of rotor pump
CN102978520A Rotors of cam rotor pump and preparation method thereof
CN102974830A Preparation method for pump body structure of cam rotor pump
CN102978522A Cam rotor pump rotor material and preparation method
CN102978523A Cam rotor pump rotor material
CN102974824A Method for preparing stator and rotor of homogeneous mixing pump
CN102978521A Stator and rotor of homogeneous mixing pump and method for preparing same
CN102979729A Pump structure of cam rotor pump
CN102943755A Rotor pump
CN102220977A Expansion bushing device of birotor pump
CN102235353A Rotor of double rotor pump