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HEFEI KEWELL POWER SYSTEM CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    64,645
  • Filing trend
    ⇧ 100.0%
About

HEFEI KEWELL POWER SYSTEM CO LTD has a total of 25 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and measurement are KOLAR JOHANN W, DOMMASCHK MIKE and SAKAKIBARA KENICHI.

Patent filings in countries

World map showing HEFEI KEWELL POWER SYSTEM CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing HEFEI KEWELL POWER SYSTEM CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Deping 20
#2 Peng Kai 5
#3 Zhu Guojun 4
#4 Zhou Yuzhu 3
#5 Zhao Tao 3
#6 Zhang Jianyi 2
#7 Cai Zhenhong 2
#8 Wu Lei 2
#9 Cao Yuanzhi 2
#10 Wang Yao 1

Latest patents

Publication Filing date Title
CN112234825A Voltage-sharing control circuit and control method thereof
CN112256080A Low-current wide-range adjustable pulse constant current source circuit
CN112000167A Multi-path parallel ultrahigh-speed low-voltage large-current pulse type constant current source
CN111504576A Fuel cell test system pipeline gas tightness pressurize test platform
CN111416523A Soft charging control system and method for double-active-bridge DC/DC converter
CN111371371A Asynchronous motor static frequency converter system and coordination control method thereof
CN111371326A Three-phase double-active-bridge direct current converter control system and control method
CN111371302A Multi-stage soft charging control method and system for multi-level direct current solid-state transformer
CN111404412A Method and device for selecting direct current capacitor of modular multilevel converter
CN110890834A Adjusting circuit and adjusting method for reducing loss of two-stage power supply power tube
CN110932556A Phase-shifted full-bridge circuit topology low-voltage output mechanism and low-voltage output method
CN110429590A A kind of harmonic wave analog control method suitable for power grid analog power
CN109921448A The self-charging method and its electricity generation system of cascaded inverter with energy storage
CN109659983A Software phase-lock loop implementation method and device based on IDFT
CN109347354A Mid-point voltage Ripple Suppression device and method based on third-harmonic zero-sequence voltage
CN109450255A A kind of two-way full-bridge DC/DC converter circuit and the control method for inhibiting bias
CN109586315A Cascade connection type SVG system and power-less compensation control method based on double BUCK modules
CN109581097A A kind of charging pile test macro
CN109217669A A kind of superconducting magnet circuit
CN107884652A A kind of high-pressure type direct current feed-back type electronic load control system