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LANGFANG IN POWER ELECTRIC CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    180,669
  • Filing trend
    ⇩ 50.0%
About

LANGFANG IN POWER ELECTRIC CO LTD has a total of 12 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and measurement are RENERGYX PTY LTD, ALENCON ACQUISITION CO LLC and AZURAY TECHNOLOGIES INC.

Patent filings in countries

World map showing LANGFANG IN POWER ELECTRIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing LANGFANG IN POWER ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Hongtao 4
#2 Cao Shuai 2
#3 Yueming Li 2
#4 Lu Zongwei 2
#5 Junjun Cui 2
#6 Li Daobo 2
#7 Guo Chunyu 2
#8 Zhang Xinyu 2
#9 Li Yang 2
#10 Sun Dawei 2

Latest patents

Publication Filing date Title
CN110470920A A kind of power grid power compensation result test platform
CN110350558A A kind of PCS accumulator and device
CN108879789A Bidirectional energy-storage Variable flow control device and method
CN107910937A A kind of control device and method based on railway test wire traction substation regenerative braking ground absorption device
CN107769604A A kind of inverter
CN104900396A A rotating winding support group for a large magnet ring inductor automatic winding machine
CN104900395A A large magnet ring inductor automatic winding machine and winding method
CN103532358A Silicon controlled voltage regulation device capable of inhibiting harmonic waves
CN103427418A Slave controller based on active module in active hybrid filter device
CN103414326A Filter circuit for three-phase converter
CN102360819A Totally-enclosed split type powder metallurgy soft magnetic tank
CN102360820A Totally-enclosed magnetic tank for reactor and transformer