Inventor · disambiguated record
Brian D. Andresen
Also filed as: ANDRESEN BRIAN D
19 granted patents·4 pending applications·907 citations·filing 1981–2007
96Inventor score
Top patents by PatentIndex Score
23 records- 0197US4708782AChromatography column-electrophoresis systemSEPRAGEN CORP·Filed 1986·Granted Nov 24, 1987·130 cites·22 claims
- 0296US6126804AIntegrated polymerase chain reaction/electrophoresis instrumentUNIV CALIFORNIA·Filed 1997·Granted Oct 3, 2000·220 cites·18 claims
- 0393US4705616AElectrophoresis-mass spectrometry probeSEPRAGEN CORP·Filed 1986·Granted Nov 10, 1987·85 cites·28 claims
- 0492US6416800B1Fiber optic candyPEARL TECHNOLOGY HOLDINGS LLC·Filed 2000·Granted Jul 9, 2002·69 cites·25 claims
- 0588US7125580B2Method for preparing a solid phase microextraction device using aerogelUNIV CALIFORNIA·Filed 2005·Granted Oct 24, 2006·12 cites·7 claims
- 0687US5525799APortable gas chromatograph-mass spectrometerUS ARMY·Filed 1994·Granted Jun 11, 1996·58 cites·20 claims
- 0787US4865729ARadial thin layer chromatographySEPRAGEN CORP·Filed 1988·Granted Sep 12, 1989·64 cites·32 claims
- 0883US4740298AChromatography column/moving belt interfaceSEPRAGEN CORP·Filed 1986·Granted Apr 26, 1988·53 cites·20 claims
- 0982US6749826B2Carbon nanotube coatings as chemical absorbersUNIV CALIFORNIA·Filed 2002·Granted Jun 15, 2004·33 cites·7 claims
- 1079US6929778B2Solid phase microextraction field kitUNIV CALIFORNIA·Filed 2001·Granted Aug 16, 2005·15 cites·17 claims
- 1178US4867947AInterface for liquid chromatograph-mass spectrometerSEPRAGEN CORP·Filed 1986·Granted Sep 19, 1989·25 cites·22 claims
- 1275US6905031B1Solid phase microextraction device using aerogelUNIV CALIFORNIA·Filed 1999·Granted Jun 14, 2005·35 cites·13 claims
- 1373US6871556B2Porous protective solid phase micro-extractor sheathUNIV CALIFORNIA·Filed 2001·Granted Mar 29, 2005·23 cites·12 claims
- 1471US4391778AMethod and apparatus for the analysis of materials by chromatography and mass spectrometryUNIV OHIO STATE·Filed 1981·Granted Jul 5, 1983·30 cites·3 claims
- 1566US7247273B2Thin layer chromatography residue applicator samplerUNIV CALIFORNIA·Filed 2002·Granted Jul 24, 2007·7 cites·14 claims
- 1666US5980832AUltratrace detector for hand-held gas chromatographyUNIV CALIFORNIA·Filed 1997·Granted Nov 9, 1999·21 cites·11 claims
- 1757US5153433APortable mass spectrometer with one or more mechanically adjustable electrostatic sectors and a mechanically adjustable magnetic sector all mounted in a vacuum chamberUS ENERGY·Filed 1991·Granted Oct 6, 1992·14 cites·20 claims
- 1853US2004258617A1Physical, chemical, and isotopic (atomic) labelsPEARL TECHNOLOGY HOLDINGS LLC·Filed 2003·Application pending·0 cites
- 1952US2007254827A1Alpha-aminobenzyl-alpha,alpha,-diphosphoric acid selective chelation of berylliumUNIV CALIFORNIA·Filed 2007·Application pending·0 cites
- 2045US2002150513A1Miniature solid phase microextraction holderUNIV CALIFORNIA·Filed 2002·Application pending·0 cites
- 2141US2003022389A1Chemical specific adsorption aerogel for sample collectionUNIV CALIFORNIA·Filed 2001·Application pending·0 cites
- 2239US6338824B1Method for detection of extremely low concentrationUNIV CALIFORNIA·Filed 1999·Granted Jan 15, 2002·6 cites·12 claims
- 2337US4501817AMethod for the analysis of materials by chromatography and mass spectrometryUNIV OHIO STATE·Filed 1983·Granted Feb 26, 1985·7 cites·6 claims
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