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ENVIROGEN INC
US20 patents
Top patents by PatentIndex Score
US5510033AApr 23, 1996
Electrokinetic transport of microorganisms in situ for degrading contaminants
ENVIROGEN INC55 citations93
US6627082B2Sep 30, 2003
System and method for withdrawing permeate through a filter and for cleaning the filter in situ
ENVIROGEN INC72 citations92
US5512479AApr 30, 1996
Method of degrading volatile organochlorides and remediation thereof
ENVIROGEN INC23 citations92
US5439590AAug 8, 1995
Methods for treating toxic material
ENVIROGEN INC20 citations92
US5814514ASep 29, 1998
Biodegradation of the gasoline oxygenates
ENVIROGEN INC73 citations91
US6331251B1Dec 18, 2001
System and method for withdrawing permeate through a filter and for cleaning the filter in situ
ENVIROGEN INC42 citations89
US5958757ASep 28, 1999
Biological conversion of organic compounds
ENVIROGEN INC22 citations89
US6524842B1Feb 25, 2003
Biodegradation of gasoline oxygenates
ENVIROGEN INC37 citations87
US5861303AJan 19, 1999
Biofiltration apparatus and method with chemical pre-treatment of contaminated air
ENVIROGEN INC47 citations87
US5788842AAug 4, 1998
Biomass separation apparatus and method
ENVIROGEN INC26 citations87
US5516688AMay 14, 1996
Method of biodegrading hydrophobic organic compounds, particularly PCBS, and remediation thereof using a bioemulsifier
ENVIROGEN INC22 citations85
US5494574AFeb 27, 1996
Mechanically mixed packed bed bioreactor
ENVIROGEN INC35 citations84
US6303366B1Oct 16, 2001
Biodegradation of the gasoline oxygenates
ENVIROGEN INC14 citations68
US5750028AMay 12, 1998
Biomass separation apparatus and method with media return
ENVIROGEN INC15 citations68
US5567324AOct 22, 1996
Method of biodegrading hydrophobic organic compounds
ENVIROGEN INC15 citations66
US5242598ASep 7, 1993
Solid phase extraction
ENVIROGEN INC18 citations66
US6706521B2Mar 16, 2004
Bed cleaning system for fluidized-bed bioreactors
ENVIROGEN INC5 citations60
US5821114AOct 13, 1998
Biofilter with modular panels and method of using the same
ENVIROGEN INC3 citations57
US6878282B2Apr 12, 2005
System and method for withdrawing permeate through a filter and for cleaning the filter in situ
ENVIROGEN INC1 citations48
US6830922B2Dec 14, 2004
System and method for inoculating a biological reactor
ENVIROGEN INC0 citations38