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MA QINGYOU

Overview
  • Total Patents
    11
About

MA QINGYOU has a total of 11 patent applications. Its first patent ever was published in 2004. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are TELLER HANS, AQUA EQUIPMENT CO AB and HOKU CAST KK.

Patent filings in countries

World map showing MA QINGYOUs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing MA QINGYOUs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Sewers

Top inventors

# Name Total Patents
#1 Ma Qingyou 11

Latest patents

Publication Filing date Title
CN1850457A Blade and complete blade holder
CN101053944A Complement spanner used for hardware pieces with expansion end
CN1785151A Eye washing cup and its mated medicine supply means
CN1672665A Multifunction ear cleaner
CN1657025A Multifunctional earplug and matched aeration device
CN1657112A New type medicine carried sticking tool and completed administrator
CN1648031A Height regulator for combined inserting and lift manhole lid seat or rain grating seat
CN1587726A Clamp with expanding end and its matching spanners
CN1587725A Plastic clamp with expansion end
CN1587724A Hardware piece with expansion end and its matching spanners
CN1584231A Assembled spigotting liftable manhole seat and rain grate seat