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.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 9 | |
#2 | WIPO (World Intellectual Property Organization) | 2 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Engines, pumps and turbines | |
#3 | Environmental technology | |
#4 | Electrical machinery and energy | |
#5 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Pumps | |
#3 | Circuits for supplying electric power | |
#4 | Smart grids | |
#5 | Venting or aerating devices | |
#6 | Siphons | |
#7 | Reduction of greenhouse gas emissions |
# | 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 |
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 |