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SHANDONG WEIMA PUMPS MFG CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    153,504
  • Filing trend
    0.0%
About

SHANDONG WEIMA PUMPS MFG CO LTD has a total of 11 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2015. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, engines, pumps and turbines and environmental technology are WANG PUCHENG, MUTH PUMP LLC and GLOBAL ENERGY SERVICES LTD.

Patent filings in countries

World map showing SHANDONG WEIMA PUMPS MFG CO LTDs patent filings in countries

Patent filings per year

Chart showing SHANDONG WEIMA PUMPS MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ma Baozhong 10
#2 Song Yanwen 4
#3 Guan Bing 3
#4 Liu Xingwang 2
#5 Qin Yuanzhang 2
#6 Lu Ming 2
#7 Li Xuejiang 2
#8 Wang Xiuhe 2
#9 Ren Penghao 2
#10 Song Piliu 2

Latest patents

Publication Filing date Title
CN112127821A Pump hanger position adjustable sealing anchoring device for oil well pump
CN112065697A Double-channel slide valve whole-course oil well pump and special slide valve
CN112065698A Multi-working-cavity oil well pump with full-stroke liquid feeding function
CN111021998A Rod-type gas lift oil production device and gas drive oil well pump
CN111088966A Liquid-driving rodless water-draining gas-producing device and two-position four-way reversing valve
CN108301812A The liquid drive beam pumping unit of liquid drive beam pumping unit and more well joint controls
CN108281977A A kind of enterprise power supply device and method
CN107605440A A kind of hypotonic stripper well aeroelasticity extracting device of oil
CN107061252A Plunger jet pump and delivery valve
WO2017063311A1 Elasticity oil extraction equipment
WO2016107382A1 Method and device for forcibly lifting water or oil by air energy