Assignee
BODENSEEWERK PERKIN ELMER CO
DE·123 granted patents·1 pending application·2,161 citations·filing 1974–2002
Top patents by PatentIndex Score
124 records- 0191US4773552AClosure for sample bottlesBODENSEEWERK PERKIN ELMER CO·Filed 1987·Granted Sep 27, 1988·116 cites·11 claims
- 0290US6211989B1Light-scanning deviceBODENSEEWERK PERKIN ELMER CO·Filed 1997·Granted Apr 3, 2001·193 cites·15 claims
- 0390US4267572AApparatus for determining the concentration of the components of a sampleBODENSEEWERK PERKIN ELMER CO·Filed 1979·Granted May 12, 1981·53 cites·4 claims
- 0489US4191215ADigital fluid flow rate controllerBODENSEEWERK PERKIN ELMER CO·Filed 1978·Granted Mar 4, 1980·47 cites·8 claims
- 0588US4042338AAutomatic sample preparation deviceBODENSEEWERK PERKIN ELMER CO·Filed 1976·Granted Aug 16, 1977·44 cites·18 claims
- 0687US4476733ASampler for feeding samples in gas chromatographyBODENSEEWERK PERKIN ELMER CO·Filed 1982·Granted Oct 16, 1984·59 cites·7 claims
- 0785US4248355AClosure for sample vialsBODENSEEWERK PERKIN ELMER CO·Filed 1979·Granted Feb 3, 1981·64 cites·4 claims
- 0884US6229635B1Light sensing deviceBODENSEEWERK PERKIN ELMER CO·Filed 1997·Granted May 8, 2001·90 cites·26 claims
- 0980US4554436AElectric heater for a rotating sample vessel container in a sampling device for gas chromatographyBODENSEEWERK PERKIN ELMER CO·Filed 1984·Granted Nov 19, 1985·38 cites·4 claims
- 1080US4109308ACircuit for converting a.c. voltage into a d.c. voltageBODENSEEWERK PERKIN ELMER CO·Filed 1977·Granted Aug 22, 1978·30 cites·10 claims
- 1179US4563090AGrating spectrometerBODENSEEWERK PERKIN ELMER CO·Filed 1983·Granted Jan 7, 1986·32 cites·3 claims
- 1279US4237733ASampling device for measuring instrumentsBODENSEEWERK PERKIN ELMER CO·Filed 1979·Granted Dec 9, 1980·36 cites·27 claims
- 1377US5777733ASpectrometer with wavelength calibrationBODENSEEWERK PERKIN ELMER CO·Filed 1996·Granted Jul 7, 1998·55 cites·23 claims
- 1476US3973792AConnecting device for connecting chromatographic separating columns of glassBODENSEEWERK PERKIN ELMER CO·Filed 1975·Granted Aug 10, 1976·28 cites·5 claims
- 1575US5036198AMulticomponent photometerBODENSEEWERK PERKIN ELMER CO·Filed 1989·Granted Jul 30, 1991·56 cites·1 claims
- 1675US4111051ASampling procedure and device for flameless atomic absorption spectroscopyBODENSEEWERK PERKIN ELMER CO·Filed 1976·Granted Sep 5, 1978·25 cites·13 claims
- 1774US4575243AMonochromatorBODENSEEWERK PERKIN ELMER CO·Filed 1983·Granted Mar 11, 1986·28 cites·8 claims
- 1873US4230665AApparatus for automatically generating and measuring gaseous measuring samples from a series of liquid samplesBODENSEEWERK PERKIN ELMER CO·Filed 1978·Granted Oct 28, 1980·24 cites·16 claims
- 1973US4199988ASampling apparatus for chromatographic instrumentsBODENSEEWERK PERKIN ELMER CO·Filed 1979·Granted Apr 29, 1980·30 cites·10 claims
- 2071US4120200AMethod and device for pyrometric temperature measurementsBODENSEEWERK PERKIN ELMER CO·Filed 1977·Granted Oct 17, 1978·20 cites·9 claims
- 2170US4204430AAutomatic liquid flow sampling apparatusBODENSEEWERK PERKIN ELMER CO·Filed 1978·Granted May 27, 1980·22 cites·10 claims
- 2269US4484483ANeedle assembly useful in the head-space method of gas chromatographyBODENSEEWERK PERKIN ELMER CO·Filed 1982·Granted Nov 27, 1984·25 cites·7 claims
- 2367US6317206B1Device for the detection of a fluorescent dyeBODENSEEWERK PERKIN ELMER CO·Filed 1999·Granted Nov 13, 2001·32 cites·36 claims
- 2467US4640677AGas control device for controlling the fuel gas and oxidizing agent supply to a burner in an atomic absorption spectrometerBODENSEEWERK PERKIN ELMER CO·Filed 1985·Granted Feb 3, 1987·19 cites·6 claims
- 2567US4057755AThermal conductivity detector circuitBODENSEEWERK PERKIN ELMER CO·Filed 1976·Granted Nov 8, 1977·30 cites·6 claims
- 2666US5194226ADosing device for analyzing apparatusBODENSEEWERK PERKIN ELMER CO·Filed 1990·Granted Mar 16, 1993·35 cites·11 claims
- 2765US4262879AApparatus for switching fluid flowBODENSEEWERK PERKIN ELMER CO·Filed 1979·Granted Apr 21, 1981·21 cites·8 claims
- 2864US4558603ANeedle assembly for introducing a carrier gas into a sample vesselBODENSEEWERK PERKIN ELMER CO·Filed 1983·Granted Dec 17, 1985·22 cites·17 claims
- 2964US4268478AMethod and apparatus for generating and transferring a gaseous test sampleBODENSEEWERK PERKIN ELMER CO·Filed 1978·Granted May 19, 1981·16 cites·8 claims
- 3064US4022530ADevice for atomizing a sample for flameless atomic absorption measurementsBODENSEEWERK PERKIN ELMER CO·Filed 1975·Granted May 10, 1977·19 cites·23 claims
- 3163US4208372AApparatus for generating and transferring a gaseous test sample to an atomic absorption spectrometerBODENSEEWERK PERKIN ELMER CO·Filed 1978·Granted Jun 17, 1980·17 cites·10 claims
- 3262US4294126ASample feeding deviceBODENSEEWERK PERKIN ELMER CO·Filed 1979·Granted Oct 13, 1981·17 cites·9 claims
- 3361US5703342ATemperature control method using empirically determined characteristicsBODENSEEWERK PERKIN ELMER CO·Filed 1996·Granted Dec 30, 1997·37 cites·22 claims
- 3460US5059812AControl apparatus for controlling an aspirator tube in an automatic sample dispenserBODENSEEWERK PERKIN ELMER CO·Filed 1990·Granted Oct 22, 1991·21 cites·5 claims
- 3560US4312591AApparatus for automatically transporting liquid samples to an analyzerBODENSEEWERK PERKIN ELMER CO·Filed 1979·Granted Jan 26, 1982·15 cites·13 claims
- 3659US5066124AAtomic absorption spectrophotometer for simultaneous multi-element analysisBODENSEEWERK PERKIN ELMER CO·Filed 1990·Granted Nov 19, 1991·24 cites·4 claims
- 3759US4848921AApparatus and method for power compensation in a differential scanning calorimeterBODENSEEWERK PERKIN ELMER CO·Filed 1986·Granted Jul 18, 1989·19 cites·6 claims
- 3858US4874250AApparatus for examination of heats of transformation of material samplesBODENSEEWERK PERKIN ELMER CO·Filed 1986·Granted Oct 17, 1989·23 cites·13 claims
- 3958US4111563AGraphite tube assembly having a sample supporting inner bodyBODENSEEWERK PERKIN ELMER CO·Filed 1976·Granted Sep 5, 1978·14 cites·15 claims
- 4056US4443105ADevice useful for flameless atomic absorption spectroscopyBODENSEEWERK PERKIN ELMER CO·Filed 1981·Granted Apr 17, 1984·15 cites·11 claims
- 4155US4464940ASampler for a gas chromatographBODENSEEWERK PERKIN ELMER CO·Filed 1982·Granted Aug 14, 1984·15 cites·2 claims
- 4254US4138215AMethod and apparatus for generating and transferring a gaseous test sampleBODENSEEWERK PERKIN ELMER CO·Filed 1977·Granted Feb 6, 1979·12 cites·17 claims
- 4354US3982834ADevice for atomization of a sampleBODENSEEWERK PERKIN ELMER CO·Filed 1975·Granted Sep 28, 1976·12 cites·6 claims
- 4453US4162849ASelected element concentration for flameless atomic absorption spectroscopic measurementsBODENSEEWERK PERKIN ELMER CO·Filed 1978·Granted Jul 31, 1979·11 cites·22 claims
- 4552US5981912AElectrothermal atomization means for analytical spectrometryBODENSEEWERK PERKIN ELMER CO·Filed 1998·Granted Nov 9, 1999·15 cites·10 claims
- 4652US4295854AApparatus and methods for sample enrichment for flameless atomic absorption spectroscopyBODENSEEWERK PERKIN ELMER CO·Filed 1979·Granted Oct 20, 1981·11 cites·14 claims
- 4751US4533246APhotometer for measuring atomic fluorescenceBODENSEEWERK PERKIN ELMER CO·Filed 1983·Granted Aug 6, 1985·13 cites·7 claims
- 4851US4413534ASample transport mechanismBODENSEEWERK PERKIN ELMER CO·Filed 1981·Granted Nov 8, 1983·18 cites·11 claims
- 4951US4371263ADouble monochromatorBODENSEEWERK PERKIN ELMER CO·Filed 1978·Granted Feb 1, 1983·10 cites·21 claims
- 5050US6222626B1Atomic absorption spectrometerBODENSEEWERK PERKIN ELMER CO·Filed 1998·Granted Apr 24, 2001·18 cites·21 claims
Showing the top 50 of 124 patent records by PatentIndex Score.
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