Assignee
ERBA STRUMENTAZIONE
31 granted patents·574 citations·filing 1979–1992
Top patents by PatentIndex Score
31 records- 0188US4286456AGas chromatographic chamberERBA STRUMENTAZIONE·Filed 1979·Granted Sep 1, 1981·63 cites·9 claims
- 0281US4394263AConnecting device for pneumatic and/or hydraulic circuits in column chromatographyERBA STRUMENTAZIONE·Filed 1981·Granted Jul 19, 1983·47 cites·15 claims
- 0380US4343766ADevice for sample pickup and washingERBA STRUMENTAZIONE·Filed 1981·Granted Aug 10, 1982·39 cites·11 claims
- 0479US4405344AMethod and equipment for volumetrically controlled and reproducible introduction of small amounts of liquid samples into chromatographic analysis systemsERBA STRUMENTAZIONE·Filed 1981·Granted Sep 20, 1983·30 cites·22 claims
- 0578US4293308AMethod and apparatus for the analysis of sulphur contents in samplesERBA STRUMENTAZIONE·Filed 1979·Granted Oct 6, 1981·30 cites·10 claims
- 0674US4621534AAutomatic sample apparatus, valve and sampling methodERBA STRUMENTAZIONE·Filed 1984·Granted Nov 11, 1986·32 cites·23 claims
- 0773US4269608AMethod and device for sample injection under controlled conditions of temperature profile into gas chromatographic columnsERBA STRUMENTAZIONE·Filed 1979·Granted May 26, 1981·24 cites·24 claims
- 0872US4976750AMethod and device for the control of gas chromatographic functionsERBA STRUMENTAZIONE·Filed 1989·Granted Dec 11, 1990·30 cites·16 claims
- 0968US4771628AChamber for chromatographic analysesERBA STRUMENTAZIONE·Filed 1983·Granted Sep 20, 1988·24 cites·9 claims
- 1065US4383839AMethod and device for vaporization injection of a liquid sample for gas chromatographic analysisERBA STRUMENTAZIONE·Filed 1981·Granted May 17, 1983·22 cites·10 claims
- 1162US4559063AMulti purpose on column injectionERBA STRUMENTAZIONE·Filed 1984·Granted Dec 17, 1985·19 cites·23 claims
- 1259US5252109AGas chromatographic injectorERBA STRUMENTAZIONE·Filed 1992·Granted Oct 12, 1993·23 cites·15 claims
- 1358US4526686AApparatus for chromatographic sample injectionERBA STRUMENTAZIONE·Filed 1983·Granted Jul 2, 1985·16 cites·9 claims
- 1457US5376789AMethod and device for LC-SFC/MS interfacingERBA STRUMENTAZIONE·Filed 1992·Granted Dec 27, 1994·21 cites·14 claims
- 1554US4863871AMethod and device for adjusting the cooling temperature of a sample trap in an apparatus for gas chromatographic analysisERBA STRUMENTAZIONE·Filed 1987·Granted Sep 5, 1989·16 cites·11 claims
- 1653US4757023AMethod and equipment for the simulated distillation by means of gas chromatography with non vaporizing direct injectionERBA STRUMENTAZIONE·Filed 1985·Granted Jul 12, 1988·14 cites·9 claims
- 1752US5174149AProcess and device for the vaporization injection of liquid samples in gas chromatographic analysis apparatusesERBA STRUMENTAZIONE·Filed 1991·Granted Dec 29, 1992·17 cites·21 claims
- 1847US4644779AMethod and equipment to perform porosimetric analysesERBA STRUMENTAZIONE·Filed 1985·Granted Feb 24, 1987·12 cites·13 claims
- 1946US4351193ASampler for analytical detection systemsERBA STRUMENTAZIONE·Filed 1980·Granted Sep 28, 1982·12 cites·14 claims
- 2045US4980296AProcess and apparatus for chemical analyses by chromatographyERBA STRUMENTAZIONE·Filed 1989·Granted Dec 25, 1990·10 cites·6 claims
- 2145US4835109AProcess and apparatus for chemical analyses by liquid chromatographyERBA STRUMENTAZIONE·Filed 1985·Granted May 30, 1989·12 cites·8 claims
- 2243US4734107AMethod and device for the direct on-column injection of samples containing high boiling point and/or medium volatile compoundsERBA STRUMENTAZIONE·Filed 1986·Granted Mar 29, 1988·10 cites·21 claims
- 2343US4272983AApparatus for porosimetric measurementsERBA STRUMENTAZIONE·Filed 1979·Granted Jun 16, 1981·8 cites·7 claims
- 2441US4347215ADevice for the automation of at least one operation in an injector for gas chromatographic columnsERBA STRUMENTAZIONE·Filed 1981·Granted Aug 31, 1982·8 cites·9 claims
- 2539US4271695AApparatus for feeding carrier gas to on-column injectorsERBA STRUMENTAZIONE·Filed 1979·Granted Jun 9, 1981·6 cites·4 claims
- 2636US4403520AControl valve for a direct on-column injector and injection methodERBA STRUMENTAZIONE·Filed 1980·Granted Sep 13, 1983·6 cites·11 claims
- 2735US4508685AModified-flame thermionic detector for gas chromatographs and method for the identification of components in sample under analysisERBA STRUMENTAZIONE·Filed 1982·Granted Apr 2, 1985·7 cites·8 claims
- 2834US4524605APorosimeter with detection by capacity variationsERBA STRUMENTAZIONE·Filed 1983·Granted Jun 25, 1985·5 cites·13 claims
- 2933US4786475AEquipment for the simulated distillation by means of gas chromatography with non vaporizing direct injectionERBA STRUMENTAZIONE·Filed 1987·Granted Nov 22, 1988·4 cites·6 claims
- 3030US4762981AHeating device in particular for automatic samplersERBA STRUMENTAZIONE·Filed 1987·Granted Aug 9, 1988·2 cites·15 claims
- 3126US4257772AMethod and apparatus for chemical analysis of specimensERBA STRUMENTAZIONE·Filed 1979·Granted Mar 24, 1981·5 cites·8 claims
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