ZHEJIANG ZHONGKE DERUN TECHNOLOGY CO LTD has a total of 17 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, civil engineering and measurement are WELLTEC APS, SPRING GREGSON WILLIAM MARTIN and HEAD PHIL.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 13 | |
#2 | WIPO (World Intellectual Property Organization) | 4 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Civil engineering | |
#3 | Measurement | |
#4 | Audio-visual technology | |
#5 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Dynamo-electric machines | |
#2 | Earth drilling | |
#3 | Electric motor controls | |
#4 | Special measuring | |
#5 | Casings and printed circuits | |
#6 | Pistons and sealings |
# | Name | Total Patents |
---|---|---|
#1 | Cai Yi | 9 |
#2 | Liu Jie | 7 |
#3 | Hao Shuanghui | 6 |
#4 | Zhu Haijun | 4 |
#5 | Minghui Hao | 4 |
#6 | Shuanghui Hao | 4 |
#7 | Hao Minghui | 3 |
#8 | Bao Maqian | 2 |
#9 | Liu Jizhu | 2 |
#10 | Yin Xuechao | 1 |
Publication | Filing date | Title |
---|---|---|
WO2015106590A1 | Apparatus for measuring temperature and pressure in oil-submersible well | |
WO2015062448A1 | Submersible ground control apparatus | |
CN104753284A | Submersible permanent magnet synchronous motor | |
CN104702191A | Oil-submerged underground controller and control method | |
CN104565364A | Insulated sealing device | |
CN104514813A | Gear coupling | |
CN102864589A | Integral type controller of industrial sewing machine | |
CN103023259A | Wheel hub motor and control method thereof | |
CN101877526A | Electric motor | |
CN101876823A | Oil field control system | |
CN101876376A | Sealing device | |
CN101876243A | Control system of pumping system | |
CN101877564A | Submersible servodrive system | |
CN101886932A | Position detection device, signal processing device thereof and method | |
CN101877524A | Integrated hub motor |