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.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 17 | |
#2 | Hong Kong | 16 | |
#3 | EPO (European Patent Office) | 1 | |
#4 | United Kingdom | 1 | |
#5 | Singapore | 1 | |
#6 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Telecommunications | |
#3 | Control | |
#4 | Machine tools | |
#5 | Thermal processes | |
#6 | Furniture and games | |
#7 | Measurement |
# | Technology | |
---|---|---|
#1 | Pipes | |
#2 | Pipe-line systems | |
#3 | Venting or aerating devices | |
#4 | Transmission systems | |
#5 | Tools for connecting or disengaging | |
#6 | Control or regulating systems | |
#7 | Domestic washing | |
#8 | Domestic stoves | |
#9 | Selecting | |
#10 | Testing of structures |
# | 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 |
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 |