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NANTONG ZHENHUA HEAVY EQUIPMENT MFG CO LTD

Overview
  • Total Patents
    156
  • GoodIP Patent Rank
    10,241
  • Filing trend
    ⇧ 2.0%
About

NANTONG ZHENHUA HEAVY EQUIPMENT MFG CO LTD has a total of 156 patent applications. It increased the IP activity by 2.0%. Its first patent ever was published in 2009. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools, packaging and shipping and civil engineering are SHANDONG DAHAN CONSTRUCTION MACHINERY CO LTD, SHANGHAI ZHENHUA HEAVY IND GROUP NANTONG CO LTD and TIANJIN HOIDI OFFSHORE ENG CORP.

Patent filings in countries

World map showing NANTONG ZHENHUA HEAVY EQUIPMENT MFG CO LTDs patent filings in countries

Patent filings per year

Chart showing NANTONG ZHENHUA HEAVY EQUIPMENT MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Zhengfeng 36
#2 Ji Qiubing 26
#3 Shen Pengpeng 21
#4 Sun Yongtao 20
#5 Huang Yefeng 19
#6 Shi Haojie 18
#7 He Huawen 18
#8 Lin Haiqiao 18
#9 Yu Xiaobing 15
#10 Xuan Qiang 13

Latest patents

Publication Filing date Title
CN111761250A Welding test method for preventing 690-grade high-strength steel welding cracks
CN111774815A Method for building cantilever beam base of self-elevating drilling platform
CN111761180A Combined welding process for 690-grade high-strength steel of cylindrical pile leg
CN111591879A Novel lifeboat static load test method
CN111139808A Method for carrying cantilever beam of self-elevating drilling platform
CN111136069A Novel small-diameter hydraulic pipeline cleaning method
CN111069828A Main beam assembly jacking jig frame
CN111037038A Novel wear-resistant track welding process for field bridge rotary trolley
CN111319937A Automatic production line of flowing water of tire crane girder baffle
CN110885016A Ground pre-tightening method for 250T crane steel wire rope
CN111039194A Super-large crane final assembly process
CN110948183A Manufacturing method of upper support leg of tire crane
CN110744269A Manufacturing and mounting method of tire crane support leg flange
CN110843418A RTG tire replacement method
CN110902560A Assembling process for girder of ultra-large track crane
CN110902575A Large-scale track leg lifting and moving method
CN110860768A Welding process for large beam rail bearing beam and square steel rail of track crane
CN110835048A In-situ rotation method for track crane
CN110885000A Disassembling process of tyre crane
CN110860767A Rail welding process for trolley of rail crane