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DONGFENG PISTON & BEARING CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    157,184
  • Filing trend
    ⇩ 100.0%
About

DONGFENG PISTON & BEARING CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets machine tools and engines, pumps and turbines are MAHLE TECHNOLOGY INVESTEMENT CHINA CO LTD, JAENISCH ERNST and KS KOLBENSCHMIDT GMBH.

Patent filings in countries

World map showing DONGFENG PISTON & BEARING CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing DONGFENG PISTON & BEARING CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhao Min 6
#2 Yuan Guomin 5
#3 Yue Ji 5
#4 Lu Zhanbao 4
#5 Zheng Sile 4
#6 Xu Yongjun 3
#7 Cai Huazhou 2
#8 Shi Yang 2
#9 Wang Shiwei 2
#10 Chen Shengqi 2

Latest patents

Publication Filing date Title
CN108942325A A kind of positioning lock in the tooling of piston port hole
CN108927556A A kind of drill sleeve quickly negating centre drill
CN106762199A A kind of engine piston duplex anti-friction coating
CN107649937A A kind of annular groove shunting chip removal device during steel pistons Excircle machining
CN106624271A Dedicated distance-alignment device applied to piston remelting processing
CN104909490A Phosphating and chemical nickel-plating mixed comprehensive wastewater treatment process and automated device
CN106141247A Steel pistons noncircular pin hole special processing equipment
CN104096963A Clamping and positioning method for friction welding of steel piston
CN104807954A Friction welding piston weld seam defect detection equipment
CN103757679A Method for performing micro-arc oxidation on top of aluminum-alloy piston
CN104790018A Special fixture for micro-arc oxidation of top of aluminum alloy piston
CN104514646A Re-melted and hardened natural gas engine aluminum alloy piston
CN103397335A Pretreatment cleaning agent and cleaning method for internal combustion engine piston wear-resistance insert ring