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CHANG MING CHENG

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    224,511
  • Filing trend
    ⇩ 100.0%
About

CHANG MING CHENG has a total of 11 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1983. It filed its patents most often in France, Germany and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, thermal processes and furniture and games are ENEL SOLE SRL, KLIEGL BROS UNIVERSAL ELECTRIC and IDMAN OY.

Patent filings in countries

World map showing CHANG MING CHENGs patent filings in countries
# Country Total Patents
#1 France 4
#2 Germany 2
#3 United Kingdom 2
#4 United States 2
#5 Canada 1

Patent filings per year

Chart showing CHANG MING CHENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Ming Cheng 7
#2 Chang Ming-Cheng Covered Wagon 1
#3 Chang Ming-Cheng 1

Latest patents

Publication Filing date Title
GB202100718D0 Aqueous solution containing carbohydrates for generating smoke and method for using same to generate smoke
US2017363283A1 Instantaneous heater for a smoke generator
FR2880939A1 Reflecting mechanism for scene lighting lamp
FR2837909A1 Reflective mechanism for computer-controlled scene lamp
GB0201198D0 Controller for flash lamps sharing a common power source and controlling method thereof
DE10115357A1 Controller for flash lamps used in decorative and advertisement purpose, has decoder at input, resistive capacitor charging circuit and power source connected to high voltage charging/discharging circuit
FR2804201A1 Reflector mechanism for computer-controlled scene lamp
DE19957501A1 Reflection mechanism for a computer controlled stage lamp
US5315160A Sequentially shifting control circuit for extendible light strings
CA1197203A Recovery of bituminous oil from tar sands