Learn more

YANCHENG CHONGDA PETROCHEMICAL MACHINERY CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    158,323
  • Filing trend
    ⇧ 100.0%
About

YANCHENG CHONGDA PETROCHEMICAL MACHINERY CO LTD has a total of 11 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, machine tools and civil engineering are IMPACT SOLUTIONS AS, BIRDWELL J C and INGERSOLL SERGEANT DRILL COMPA.

Patent filings in countries

World map showing YANCHENG CHONGDA PETROCHEMICAL MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing YANCHENG CHONGDA PETROCHEMICAL MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Lijian 7
#2 Zeng Degang 1
#3 Chen Hongjun 1
#4 Qin Heli 1
#5 Cheng Baihua 1
#6 Xu Guorong 1
#7 Chen Fang 1
#8 Ji Bing 1
#9 Liu Bo 1
#10 Liu Jian 1

Latest patents

Publication Filing date Title
CN111390292A Machining equipment and machining method for pump head body forge piece of five-cylinder plunger pump
CN111520318A Valve body for five-cylinder plunger pump and valve body production process
CN111503342A Plunger pump valve cover thread pre-tightening anti-loosening structure and anti-loosening method
CN111520302A Five-cylinder pump with multi-point support integral hydraulic end structure
CN111287956A Novel high-pressure plunger pump plunger
CN111287955A Guide frame spherical type hydraulic end assembly
CN111287954A High pressure plunger pump valve body seal structure
CN110905436A Lifting type lubricator device
CN109441420A A kind of light-duty high-low pressure fracture manifold
CN108979613A A kind of energy conservation combined pressure device for fracturing wellhead
CN106761539A A kind of double acting packer