RHT LTD has a total of 15 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China, Hong Kong and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets medical technology, chemical engineering and thermal processes are BLUEZONE IP HOLDING LLC, MOLE ALAN and SCHRODER WERNER.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 5 | |
#2 | Hong Kong | 4 | |
#3 | WIPO (World Intellectual Property Organization) | 4 | |
#4 | EPO (European Patent Office) | 2 |
# | Industry | |
---|---|---|
#1 | Medical technology | |
#2 | Chemical engineering | |
#3 | Thermal processes | |
#4 | Environmental technology | |
#5 | Electrical machinery and energy | |
#6 | Furniture and games | |
#7 | Agriculture |
# | Name | Total Patents |
---|---|---|
#1 | Chan Chi Keung Rudy | 9 |
#2 | Ho Ka Tung | 7 |
#3 | Yeung Lam Lung | 4 |
#4 | Chan Yee Lam | 4 |
#5 | He Jiadong | 2 |
#6 | Jim Ka Wai | 2 |
#7 | Chen Zhiqiang | 2 |
#8 | Chen Yilin | 1 |
#9 | Chao Yu Hang Christopher | 1 |
#10 | Chung Lam Wan | 1 |
Publication | Filing date | Title |
---|---|---|
HK1179818A2 | An air purification system capable of exchanging humidity and heat | |
WO2014040293A1 | Air purification system for household animals | |
CN103702690A | Air purifier with electric field regeneration | |
CN102886183A | Indoor positive-pressure air cleaning device | |
CN103282058A | Method and apparatus for air cleaning | |
WO2011029236A1 | Method and apparatus for disinfecting and deodorizing toilet system | |
CN102369025A | Sequencing air cleaning rejuvenation system | |
WO2006108320A1 | Surface deodorizer with vacuum cleaning capability | |
EP1499836A1 | Air cleaner filter system capable of nano-confined catalytic oxidation |