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RHT LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    240,675
About

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.

Patent filings in countries

World map showing RHT LTDs patent filings in countries

Patent filings per year

Chart showing RHT LTDs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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