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WU CHING

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    132,127
  • Filing trend
    ⇩ 50.0%
About

WU CHING has a total of 26 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2009. It filed its patents most often in United States and Taiwan. Its main competitors in its focus markets measurement, electrical machinery and energy and organic fine chemistry are TOFWERK AG, GUANGZHOU HEXIN INSTR CO LTD and GRIFFIN ANALYTICAL TECH.

Patent filings in countries

World map showing WU CHINGs patent filings in countries
# Country Total Patents
#1 United States 25
#2 Taiwan 1

Patent filings per year

Chart showing WU CHINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Ching 26
#2 Osgood Mark A 11
#3 Krueger Clinton Alawn 8
#4 Kim Taeman 3
#5 Midey Anthony Joseph 3
#6 Hainsworth Eugenie 3
#7 Hilton Christopher 1

Latest patents

Publication Filing date Title
US2019285584A1 Practical ion mobility spectrometer apparatus and methods for chemical and/or biological detection
US2018372684A1 Practical ion mobility spectrometer apparatus and methods for chemical and/or biological detection
US2017365454A1 Chemically modified ion mobility separation apparatus and method
US2017097321A1 Practical ion mobility spectrometer apparatus and methods for chemical and/or biological detection
US2015340214A1 Chemical sampling and detection methods and apparatus
US2014346339A1 Multi-dimentional ion mobility separator method and apparatus
US2014346346A1 AC gate ion filter method and apparatus
TW201505544A Freedoor
US2013187037A1 Parallel ion mass and ion mobility analysis
US2013009053A1 Practical ion mobility spectrometer apparatus and methods for chemical and/or biological detection
US2012228491A1 High performance ion mobility spectrometer apparatus and methods
US2012228490A1 Apparatus and method for ion mobility spectrometry and sample introduction