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PARKER HOLDING SERVICES CORP

Overview
  • Total Patents
    11
About

PARKER HOLDING SERVICES CORP has a total of 11 patent applications. Its first patent ever was published in 1998. It filed its patents most often in United States, Australia and Germany. Its main competitors in its focus markets basic materials chemistry, chemical engineering and thermal processes are XIAN LILEHANG ENVIRONMENTAL PROTECTION TECH CO LTD, TIANJIN KEYI ELECTRONIC TECH CO LTD and O SOO GEON.

Patent filings in countries

World map showing PARKER HOLDING SERVICES CORPs patent filings in countries
# Country Total Patents
#1 United States 6
#2 Australia 1
#3 Germany 1
#4 United Kingdom 1
#5 Hong Kong 1
#6 Japan 1

Patent filings per year

Chart showing PARKER HOLDING SERVICES CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shiau Yen-Kuen 9
#2 Wu Chung-Hsun 6
#3 Chuang Vincent T 2
#4 Shiau Yan-Kuen 1
#5 Yen-Kuen Shiau 1

Latest patents

Publication Filing date Title
GB0604120D0 Detachable filter for air conditioning system and installation method
US6605291B2 Therapeutic pad and a method for treatment of common illnesses
US6733806B2 Method for preservation of produce
US6780332B2 Antimicrobial filtration
US6051246A Antimicrobial composition supported on a honeycomb-shaped substrate