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SHANGHAI QIYAO SCREW MACHINERY CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    125,887
  • Filing trend
    0.0%
About

SHANGHAI QIYAO SCREW MACHINERY CO LTD has a total of 19 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, measurement and environmental technology are AKEI MASAO, SULLAIR TECH AB and GUANGDONG MEIZHI REFRIGE EQUIP.

Patent filings in countries

World map showing SHANGHAI QIYAO SCREW MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing SHANGHAI QIYAO SCREW MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Jian 8
#2 Ma Jianyuan 4
#3 Lian Xiaosong 4
#4 Cui Zhoubo 4
#5 Zhou Quan 3
#6 Shen Kuishuang 3
#7 Xu Chuncheng 3
#8 Hu Tao 3
#9 Zhang Weimin 3
#10 Wu Jiamei 2

Latest patents

Publication Filing date Title
CN111578555A Steam waste heat recovery compression refrigeration system and working method thereof
CN111089054A Rotational flow gas phase temperature measuring device in gas-liquid two-phase state and liquid spraying screw compressor system thereof
CN111075725A Safe liquid spraying device and liquid spraying screw compressor system thereof
CN110630500A Gas phase temperature measuring device for exhaust end of liquid spraying screw compressor
CN110043467A Two-stage series connection compressor cycle reflux control system
CN108757452A A kind of flute profile of high pressure ratio double-screw compressor rotor
CN107654377A The gland seal device of oil free screw machine
CN106499635A The flute profile of oil spout double-screw compressor rotor
CN105443380A Tooth form of rotor of twin-screw compressor
CN105386977A Anti-high-temperature-engagement protection device and anti-high-temperature-engagement protection mechanism for liquid-spray oilless screw compressor
CN105041647A Tooth profile of double-screw compressor rotor
CN104307341A Flare gas compression and desulphurization technology
CN103982425A Tooth type of dry double-screw compressor rotor
CN103527481A Screw compressor
CN103291619A Double-screw compressor rotor molded line for oil injection
CN103244428A High-efficiency rotor molded line of compressor with double screws
CN102921259A Self-circulation rotary liquid combined type gas filter and filtering method thereof
CN102817844A Screw compressor
CN102828954A Novel rotor profile of twin-screw compressor