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SIWEN YAN

Overview
  • Total Patents
    23
About

SIWEN YAN has a total of 23 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are QINGDAO LVMAN BIOENGINEERING CO LTD, NAUCHNO-PROIZVODSTVENNOE OB EDINENIE ASTROFIZIKA and FEDERAL NOE GUP NPOB MED IMMUN.

Patent filings in countries

World map showing SIWEN YANs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing SIWEN YANs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Siwen Yan 23

Latest patents

Publication Filing date Title
CN102774550A Warehouse liner plate
CN102771938A Child walking learning cap
CN102771276A Tea tree hedge platform building method
CN102771275A Method for cultivating strawberries
CN102771939A Safety helmet
CN102776997A Moisture-preserving wall corner ceramic tile
CN102715036A Supporting rod of plastic greenhouse
CN102717876A Dragon boat
CN102715418A Making method of fried sauce crispy rice
CN102717396A Water caltrop shears
CN102715807A Enlarged bowl
CN102717628A Painting brush
CN102715101A Chicken feeding table
CN102715029A Boot flowerpot
CN102763922A Artificial peacock feather
CN102765558A Chocolate particle box
CN102763571A Movable flowerpot
CN102765284A Self-support pen cap
CN102747817A Ceramic tile paving method
CN102742553A Earthworm culture method