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TIANJIN NEW WEI SAN IND CO LTD

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    137,476
  • Filing trend
    ⇩ 50.0%
About

TIANJIN NEW WEI SAN IND CO LTD has a total of 21 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2009. It filed its patents most often in China, EPO (European Patent Office) and United States. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are GAM CO LTD, AEROMET INTERNAT PLC and SIERRA METALS CORP.

Patent filings in countries

World map showing TIANJIN NEW WEI SAN IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 19
#2 EPO (European Patent Office) 1
#3 United States 1

Patent filings per year

Chart showing TIANJIN NEW WEI SAN IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Yousan 17
#2 Chen Changbin 15
#3 Xie Chengxing 7
#4 Wen Xuewen 7
#5 Lin Zhengde 6
#6 Wang Jinhui 6
#7 Guo Zhixiong 6
#8 Baoyu Cui 3
#9 Tian Henglin 3
#10 Zong Lintao 3

Latest patents

Publication Filing date Title
CN112076915A Antirust atomizing machine for castings
CN111957940A Heat-insulating pouring ladle with ladle lining push-out device
CN111515344A Universal sand core structure for supercharger on casting production line and use method
CN111645126A Automatic scrape asbestos piece tool bit
CN110656277A Heat-resistant steel for automobile turbine shell and exhaust pipe and preparation method thereof
CN110014135A Casting equipment and its method are inhaled in a kind of plasma constant temperature negative pressure
CN110899661A Negative pressure up-suction casting device and using method thereof
CN106244940A A kind of Cr-Mn-N series austenitic heat-resistance steel and preparation method thereof
CN105268951A Negative-pressure updraught pouring method
CN103898397A High-silicon molybdenum-alumium ferrite heat-resisting spheroidal graphite cast iron for car turbine housings and car exhaust pipes
CN104419876A Austenite heat-resistance manganese steel for vehicle turbine housing and gas exhaust pipe
CN103146990A High-silicon-molybdenum-chromium spheroidal graphite cast iron material for automobile turbine housings and preparation method thereof
CN103820704A High-nickel austenitic nodular cast iron material for automobile turbine housing and preparation method for high-nickel austenitic nodular cast iron material
CN103805876A Austenitic heat-resistant steel for automobile turbine casings and exhaust pipes
CN103076209A Metallographic sample outer mold structure
CN102023032A Hole measuring machine for inner cavity passageway of middle case
CN102019376A Automatic instantaneous inoculation device for casting of casting machine
CN101992270A Exhaust device of casting mould
CN101992290A Conveying device of automobile castings