Assignee
ENVIROGEN INC
US·20 granted patents·545 citations·filing 1992–2003
Top patents by PatentIndex Score
20 records- 0191US6627082B2System and method for withdrawing permeate through a filter and for cleaning the filter in situENVIROGEN INC·Filed 2001·Granted Sep 30, 2003·72 cites·31 claims
- 0286US5814514ABiodegradation of the gasoline oxygenatesENVIROGEN INC·Filed 1996·Granted Sep 29, 1998·73 cites·22 claims
- 0385US5510033AElectrokinetic transport of microorganisms in situ for degrading contaminantsENVIROGEN INC·Filed 1994·Granted Apr 23, 1996·55 cites·12 claims
- 0478US5512479AMethod of degrading volatile organochlorides and remediation thereofENVIROGEN INC·Filed 1993·Granted Apr 30, 1996·23 cites·21 claims
- 0573US6524842B1Biodegradation of gasoline oxygenatesENVIROGEN INC·Filed 2000·Granted Feb 25, 2003·37 cites·36 claims
- 0672US6331251B1System and method for withdrawing permeate through a filter and for cleaning the filter in situENVIROGEN INC·Filed 1999·Granted Dec 18, 2001·42 cites·26 claims
- 0772US5861303ABiofiltration apparatus and method with chemical pre-treatment of contaminated airENVIROGEN INC·Filed 1996·Granted Jan 19, 1999·47 cites·26 claims
- 0871US5516688AMethod of biodegrading hydrophobic organic compounds, particularly PCBS, and remediation thereof using a bioemulsifierENVIROGEN INC·Filed 1994·Granted May 14, 1996·22 cites·15 claims
- 0963US6706521B2Bed cleaning system for fluidized-bed bioreactorsENVIROGEN INC·Filed 2001·Granted Mar 16, 2004·5 cites·18 claims
- 1063US5494574AMechanically mixed packed bed bioreactorENVIROGEN INC·Filed 1994·Granted Feb 27, 1996·35 cites·10 claims
- 1162US5439590AMethods for treating toxic materialENVIROGEN INC·Filed 1993·Granted Aug 8, 1995·20 cites·7 claims
- 1257US5958757ABiological conversion of organic compoundsENVIROGEN INC·Filed 1996·Granted Sep 28, 1999·22 cites·18 claims
- 1357US5788842ABiomass separation apparatus and methodENVIROGEN INC·Filed 1996·Granted Aug 4, 1998·26 cites·21 claims
- 1457US5242598ASolid phase extractionENVIROGEN INC·Filed 1992·Granted Sep 7, 1993·18 cites·14 claims
- 1548US5750028ABiomass separation apparatus and method with media returnENVIROGEN INC·Filed 1996·Granted May 12, 1998·15 cites·20 claims
- 1647US6878282B2System and method for withdrawing permeate through a filter and for cleaning the filter in situENVIROGEN INC·Filed 2003·Granted Apr 12, 2005·1 cites·26 claims
- 1746US5567324AMethod of biodegrading hydrophobic organic compoundsENVIROGEN INC·Filed 1995·Granted Oct 22, 1996·15 cites·21 claims
- 1845US6303366B1Biodegradation of the gasoline oxygenatesENVIROGEN INC·Filed 1997·Granted Oct 16, 2001·14 cites·6 claims
- 1931US6830922B2System and method for inoculating a biological reactorENVIROGEN INC·Filed 2001·Granted Dec 14, 2004·0 cites·39 claims
- 2030US5821114ABiofilter with modular panels and method of using the sameENVIROGEN INC·Filed 1996·Granted Oct 13, 1998·3 cites·18 claims
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