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EXTRACTION SYSTEMS INC

Overview
  • Total Patents
    44
About

EXTRACTION SYSTEMS INC has a total of 44 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, machines and measurement are QINGDAO HUADIAN ENVIRONMENTAL TECH CO LTD, HORIZON TECHNOLOGY INC and GELMAN SCIENCES INC.

Patent filings per year

Chart showing EXTRACTION SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kinkead Devon 24
#2 Kishkovich Oleg P 24
#3 Goodwin William M 19
#4 Grayfer Anatoly 13
#5 Kinkead Devon A 10
#6 Rezuke Robert W 8
#7 Phelps Mark C 8
#8 Kishkovich Oleg 6
#9 Ruede David 5
#10 Ruede David J 4

Latest patents

Publication Filing date Title
US2005120775A1 Systems and methods for detecting contaminants
TW200416930A System and method for monitoring contamination
US2004023419A1 System and method for monitoring contamination
US2003068834A1 System and method for determining and controlling contamination
CA2406703A1 Filters employing both acidic polymers and physical-adsorption media
WO0010687A1 Filters employing porous strongly acidic polymers
US6207460B1 Detection of base contaminants in gas samples
WO9838508A1 System for detecting amine and other basic molecular contamination in a gas
US6096267A System for detecting base contaminants in air
US5856198A Performance monitoring of gas-phase air filters
WO9629100A1 Filtering proton-accepting molecular contamination from air for use in a clean environment
US5607647A Air filtering within clean environments
WO9519828A1 Air filtering
US5582865A Non-woven filter composite
US5462485A Controlling air quality