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ENVIREX

Overview
  • Total Patents
    227
About

ENVIREX has a total of 227 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets environmental technology, chemical engineering and machines are DEGREMONT SA, WABAG WASSERTECHN ANLAGEN GMBH and ENVIROQUIP INC.

Patent filings per year

Chart showing ENVIREXs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Casper Thomas J 28
#2 Petit Peter J 22
#3 Wiegand James H 22
#4 Smith George W 14
#5 Mazewski Eugene E 11
#6 Wittmann John W 10
#7 Mazewski Eugene 9
#8 Gass Donald N 9
#9 Strow Donald A 8
#10 Thomas John 7

Latest patents

Publication Filing date Title
US5766484A Dissolved gas floatation device
CA2169998A1 Clamping arrangement for mounting attachment to non-metallic transmission chain link
CA2144028A1 Backflow prevention system for media bed reactor
AU1603795A Integrated adsorption/advanced oxidation fluidized bed reactor
US5425874A Rotating contactor including cross flow media for the biological treatment of waste water
US5454938A Bed height sensing device for biological reactor
US5501793A Traveling water screen including improved basket
US5534140A Bar screen having compound fine screen bar rack
US5415766A Traveling water screen including boot seal
US5481789A Method for removing a gear or bearing in circular clarifiers and thickeners
EP0612695A1 Biomass growth control apparatus for fluid bed biological reactor
US5423980A Wastewater treatment apparatus with ice resistant adjustable friction drive
AU5319594A Method of and apparatus for reducing iron fouling in groundwater treatment systems
US5489378A Differential relief mechanism for a traveling water screen
US5419832A Guide lock for a traveling water screen
US5470475A Clarifier
US5372712A Biomass growth control apparatus for fluid bed biological reactor
US5326460A Pretensioned mesh insert and method for producing a pretensioned mesh insert
US5326459A Wastewater treatment apparatus
US5411660A Apparatus for dissolving gas in liquid including pressurized bubble contactor in sidestream