ZHAO XIHUAN has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2006. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets engines, pumps and turbines, civil engineering and electrical machinery and energy are VALITOV MUKHTAR ZUFAROVICH, DOIG DR I D and WANBAO GROUP COMPRESSOR CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 5 | |
#2 | WIPO (World Intellectual Property Organization) | 5 | |
#3 | United States | 2 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Civil engineering | |
#3 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Pumps | |
#3 | Rotary-pistons | |
#4 | Dynamo-electric machines |
# | Name | Total Patents |
---|---|---|
#1 | Zhao Xihuan | 11 |
#2 | Zhang Ruiqi | 10 |
#3 | Zhang Ruigi | 1 |
#4 | Zhao Xihuan Zhang | 1 |
Publication | Filing date | Title |
---|---|---|
CN105736336A | Two-barrel reciprocating balance type dual-action oil pump | |
CN105201799A | Submerged oil pump unit provided with downhole drive conversion device | |
WO2016037299A1 | Submersible oil well pump set having underground drive conversion device | |
CN104234987A | Submersible oil well pump set with underground drive conversion device | |
CN102734155A | Energy-saving start device of submersible screw pump unit | |
WO2014012191A1 | Energy-saving start device of submersible progressive cavity pump unit | |
CN101012835A | Electric submersible pump set used for well with ultra-small output volume | |
WO2007104186A1 | A suspensory electrical submersible screw pumping system | |
WO2007104185A1 | An electrical concatenation arrangement for a downhole submersed motor |