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THE HONG KONG AND CHINA GAS COMPANY LTD

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    44,162
  • Filing trend
    ⇧ 25.0%
About

THE HONG KONG AND CHINA GAS COMPANY LTD has a total of 37 patent applications. It increased the IP activity by 25.0%. Its first patent ever was published in 2003. It filed its patents most often in China, Hong Kong and EPO (European Patent Office). Its main competitors in its focus markets mechanical elements, telecommunications and control are LESHAN CHUANTIAN GAS EQUIPMENT CO LTD, TIANJIN XINKE WHOLE SET INSTR & METER CO LTD and CUPEDOS OCTROOI.

Patent filings in countries

World map showing THE HONG KONG AND CHINA GAS COMPANY LTDs patent filings in countries

Patent filings per year

Chart showing THE HONG KONG AND CHINA GAS COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Peizheng 5
#2 Chun Yiu Ho 4
#3 Law Seung Lai Joseph 3
#4 Pui Ching Yeung 3
#5 Carson Wai Keung Lee 3
#6 Chow Chi Sum 3
#7 Chu Kwok Key 2
#8 Ho Chun Yiu 2
#9 Chiu King Keung 2
#10 He Junyao 2

Latest patents

Publication Filing date Title
CN112113510A Method for determining ovality of cross section of tubular object and reference device used in method
EP3723060A1 Smart system for household devices
CN111750280A Detection device
CN111101699A Stabilizing device
CN109812712A Gas leak test equipment
CN109595464A Gas leakage detection system
HK1257470A2 Gas appliance
HK1257469A2 Apparatus for installing a valve
CN109425113A Suspension for gas appliance
HK1253749A2 Gas stove
HK1253496A2 Pipe fittings
HK1255517A2 Gas burner assembly for cooking appliance
HK1252593A2 Pipe replacement method
CN108022418A Meter reading system
CN107975652A Pipe maintenance tool
HK1231687A2 Guide tool for use with a pointed object
CN108294713A Cleaning device for cook utensil
HK1216973A2 Shut-off device for pipe
HK1221116A2 Timer control module for cooking apparatus and cooking apparatus incorporating the same
HK1217403A2 Positioning apparatus for pipes during jointing