Learn more

SHANDONG DONGHONG PIPE IND CO LTD

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    49,346
  • Filing trend
    ⇧ 150.0%
About

SHANDONG DONGHONG PIPE IND CO LTD has a total of 32 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and mechanical elements are ZHEJIANG ZHONGCAI PIPES SCIENCE & TECHNOLOGY CO LTD, GUANGXI JINSHENG TECH DEVELOPMENT CO LTD and ANHUI BOTAI PLASTIC IND CO LTD.

Patent filings in countries

World map showing SHANDONG DONGHONG PIPE IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 32

Patent filings per year

Chart showing SHANDONG DONGHONG PIPE IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kong Zhiyong 25
#2 Ni Fengyao 22
#3 Wu Jinkui 12
#4 Kong Tao 11
#5 Liu Shu 11
#6 Kong Debin 10
#7 Kong Weichuan 10
#8 Ni Fenglong 8
#9 Sun Zhizhuang 6
#10 Wang Xiaofeng 6

Latest patents

Publication Filing date Title
CN112250932A Flame-retardant antistatic polyethylene composite material and preparation method and application thereof
CN112096973A Steel wire mesh framework reinforced polypropylene composite pipe and preparation method and application thereof
CN112048229A Sintered epoxy powder material, coated steel pipe and preparation method and application thereof
CN112058612A Novel double-layer plastic-coated steel wire and preparation method and application thereof
CN112046045A Steel pipe with three anti-corrosion layers of inner layer and outer layer and preparation method and application thereof
CN111748140A CNTs (carbon nanotubes) conduction technology-based combustible gas composite pipe and preparation method thereof
CN111761363A Threading and punching processing device and method for pipe
CN111750194A Machining die, machining device and machining method for wear-resistant layer of iron tee joint lining
CN111286108A Anti-sagging master batch for plastic pipes and preparation method and application thereof
CN111234416A PVC-O pipe for coal mine and preparation method thereof
CN111306377A Steel wire mesh framework polyethylene composite pipe joint, connecting device and processing method
CN111004427A HDPE carrier carbon black master batch for PE pressure pipeline and preparation method thereof
CN110822181A Permanent color antistatic flame-retardant polyolefin steel wire composite pipe, and preparation method and mold thereof
CN110903531A Carbon nanotube modified polyolefin double-resistant material and preparation method and application thereof
CN110922666A Dyeable permanent antistatic flame-retardant polyolefin material and preparation method and application thereof
CN110789080A Production device, production method and application of connecting pipe fitting of plastic composite pipe
CN110375140A A kind of steel wire mesh frame polyethylene compound pipe connection structure and connection method and application
CN110185861A A kind of composite pipe rivet clasp attachment device and preparation method and application
CN110183764A Antistatic, self-cleaning carbon nanotube composition and preparation method and application
CN110082184A The test method of the resistance to slow crack growth of polyethylene composite pipe with steel wire mesh skeleton