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INT ENVIRONMENTAL SYSTEM INC

Overview
  • Total Patents
    17
About

INT ENVIRONMENTAL SYSTEM INC has a total of 17 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States and China. Its main competitors in its focus markets chemical engineering, environmental technology and machines are ANJOU RECH, JET INC and MTA MUESZAKI KEMIAI KUTATO INT.

Patent filings in countries

World map showing INT ENVIRONMENTAL SYSTEM INCs patent filings in countries
# Country Total Patents
#1 United States 16
#2 China 1

Patent filings per year

Chart showing INT ENVIRONMENTAL SYSTEM INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Lawrence K 16
#2 Kurylko Lubomyr 12
#3 Wang Mu H S 6
#4 Hrycyk Orest 2
#5 Wang Mu Hao S 2
#6 Hyrcyk Orest 2
#7 Pavlovich John J 2
#8 Weber Roland E 2
#9 Wang Lawrence Kongpu 1
#10 Kurylko L 1

Latest patents

Publication Filing date Title
US5399267A Liquid treatment system with air emission control
US5275732A Combined coarse and fine bubble separation system
US5232584A Method and apparatus for purifying and compacting solid wastes
US5236595A Method and apparatus for filtration with plural ultraviolet treatment stages
US5240600A Water and wastewater treatment system
US5354458A Sequencing batch liquid treatment
CN1067227A Gas dissolving and releasing liquid treatment system
US5156747A Separation of liquids with different boiling points with nebulizing chamber
US5122165A Removal of volatile compounds and surfactants from liquid
US5451320A Biological process for groundwater and wastewater treatment
US5122166A Removal of volatile compounds and surfactants from liquid
US5190659A Contamination removal system employing filtration and plural ultraviolet and chemical treatment steps and treatment mode controller
US5049320A Gas dissolving system and method
US5256299A Method and apparatus for liquid treatment