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WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    127,898
About

WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING CO LTD has a total of 13 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, surface technology and coating and materials and metallurgy are CEROBEAR GmbH, THYSSENKRUPP ROTHE ERDE GMBH and RUGAO NONSTANDARD BEARING CO LTD.

Patent filings in countries

World map showing WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Che Deli 13
#2 Du Shanliang 12
#3 Feng Dewei 1
#4 Zhang Fucheng 1
#5 Ge Huilin 1
#6 Sun Kai 1

Latest patents

Publication Filing date Title
CN111041405A Deep carburizing method for large-sized back lining bearing ring
CN106286582A A kind of cylindrical roll bearing for rolling mills
CN106119512A A kind of quenching process being applicable to bearing ring
CN106282526A A kind of rotating hardening machine
CN106286583A A kind of four-line column roller bearing
CN106286584A A kind of four-row tapered roller bearing and the processing method of retainer
CN106286602A A kind of four-line column roller bearing and the processing method of retainer
CN106194995A A kind of full-complement cylinder roller bearing
CN106224385A A kind of subdivision self-aligning roller bearing and the processing method of retainer
CN106269887A A kind of edger roll bearing combined structure
CN106286587A A kind of annulus roller bearing with high radial bearing capacity
CN106122275A A kind of full-complement cylinder roller bearing
CN106195019A A kind of cylinder roller bearing