Assignee
ENVIRONMENTAL TECH GROUP
US·16 granted patents·897 citations·filing 1988–1996
Top patents by PatentIndex Score
16 records- 0192US5083019APreconcentrator for ion mobility spectrometerENVIRONMENTAL TECH GROUP·Filed 1990·Granted Jan 21, 1992·104 cites·30 claims
- 0288US5283199AChlorine dioxide monitor based on ion mobility spectrometry with selective dopant chemistryENVIRONMENTAL TECH GROUP·Filed 1991·Granted Feb 1, 1994·101 cites·44 claims
- 0388US5053343ASelective ionization of gas constituents using electrolytic reactionsENVIRONMENTAL TECH GROUP·Filed 1989·Granted Oct 1, 1991·72 cites·19 claims
- 0486US5338931APhotoionization ion mobility spectrometerENVIRONMENTAL TECH GROUP·Filed 1992·Granted Aug 16, 1994·127 cites·24 claims
- 0585US5021654AAll ceramic ion mobility spectrometer cellENVIRONMENTAL TECH GROUP·Filed 1989·Granted Jun 4, 1991·63 cites·30 claims
- 0684US5102503AMobile self-contained system for on-site recovery of solventsENVIRONMENTAL TECH GROUP·Filed 1989·Granted Apr 7, 1992·76 cites·23 claims
- 0783US5234838AAmmonia monitor based on ion mobility spectrometry with selective dopant chemistryENVIRONMENTAL TECH GROUP·Filed 1991·Granted Aug 10, 1993·69 cites·30 claims
- 0879US5032721AAcid gas monitor based on ion mobility spectrometryENVIRONMENTAL TECH GROUP·Filed 1990·Granted Jul 16, 1991·62 cites·9 claims
- 0973US5095206AMethod and apparatus for improving the specificity of an ion mobility spectrometer utillizing sulfur dioxide dopant chemistryENVIRONMENTAL TECH GROUP·Filed 1991·Granted Mar 10, 1992·43 cites·34 claims
- 1069US4928033AThermionic ionization sourceENVIRONMENTAL TECH GROUP·Filed 1988·Granted May 22, 1990·15 cites·8 claims
- 1168US4933285AMultiple monolayers of polymeric linkages on a solid phase for immobilizing macromoleculesENVIRONMENTAL TECH GROUP·Filed 1988·Granted Jun 12, 1990·45 cites·6 claims
- 1264US5554846AApparatus and a method for detecting alarm molecules in an air sampleENVIRONMENTAL TECH GROUP·Filed 1995·Granted Sep 10, 1996·39 cites·14 claims
- 1364US5453103AReclaiming and utilizing discarded and newly formed coke breeze, coal fines, and blast furnace revert materials, and related methodsENVIRONMENTAL TECH GROUP·Filed 1994·Granted Sep 26, 1995·17 cites·11 claims
- 1460US5587581AMethod and an apparatus for an air sample analysisENVIRONMENTAL TECH GROUP·Filed 1995·Granted Dec 24, 1996·32 cites·5 claims
- 1551US4950893AMethod and apparatus for enhanced ion spectra generation and detection in ion mobility spectrometryENVIRONMENTAL TECH GROUP·Filed 1989·Granted Aug 21, 1990·18 cites·8 claims
- 1644US5830344ADisposable sensor for metal analysis and method of using sameENVIRONMENTAL TECH GROUP·Filed 1996·Granted Nov 3, 1998·14 cites·24 claims
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