Inventor · disambiguated record
Hellfried Karpf
Also filed as: KARPF HELLFRIED
15 granted patents·3 pending applications·942 citations·filing 1987–2007
95Inventor score
Top patents by PatentIndex Score
18 records- 0195US5039490ASensor element for determination of concentration of substancesAVL AG·Filed 1987·Granted Aug 13, 1991·120 cites·18 claims
- 0294US5157262ASensor element for determination of concentration of substancesAVL MEDICAL INSTR AG·Filed 1991·Granted Oct 20, 1992·131 cites·14 claims
- 0392US4755667ASensor element for determination of concentration of substancesAVL AG·Filed 1987·Granted Jul 5, 1988·93 cites·18 claims
- 0488US5779978AMeasuring assembly for luminescence analysisAVL MEDICAL INSTR AG·Filed 1997·Granted Jul 14, 1998·103 cites·15 claims
- 0585US5372936AMethod for detecting biological activities in a specimenAVL PHOTORONICS CORP·Filed 1993·Granted Dec 13, 1994·84 cites·6 claims
- 0676US5266486AMethod and apparatus for detecting biological activities in a specimenNVL PHOTRONICS CORP·Filed 1990·Granted Nov 30, 1993·51 cites·6 claims
- 0770US5353792ASensing deviceAVL MEDICAL INSTR AG·Filed 1993·Granted Oct 11, 1994·136 cites·16 claims
- 0870US5128019ADevice for measuring chemical and physical parameters of a liquid or gaseous mediumAVL MEDICAL INSTR AG·Filed 1989·Granted Jul 7, 1992·29 cites·20 claims
- 0965US5217875AMethod for detecting biological activities in a specimen and a device for implementing the methodAVL AG·Filed 1989·Granted Jun 8, 1993·30 cites·15 claims
- 1062US5351563AOne-way measuring element for analyzing gaseous or liquid samplesAVL MEDICAL INSTR AG·Filed 1993·Granted Oct 4, 1994·24 cites·14 claims
- 1161US5308581ASubstance of an optical fluorescence measuring arrangement for measuring the pH of a sample and optical sensor with such an indicator substanceAVL MEDICAL INSTR AG·Filed 1991·Granted May 3, 1994·25 cites·20 claims
- 1258US5368027ASensor arrangement for direct or indirect optical determination of physical or chemical propertiesAVL MEDICAL INSTR AG·Filed 1993·Granted Nov 29, 1994·81 cites·15 claims
- 1357US5228350AMethod for analyzing gaseous or liquid samples and a one-way measuring element for use in such a methodAVL MEDICAL INSTR AG·Filed 1991·Granted Jul 20, 1993·20 cites·15 claims
- 1457US2007118422A1Device and method for management of operating materials and/or supplies of an analyzer and analyzing systemBERGER HANS·Filed 2007·Application pending·0 cites
- 1555US2001044761A1Device and method for management of operating materials and/or supplies of an analyzer or analyzing systemFiled 2001·Application pending·0 cites
- 1643US6139798ASensor membrane of an optical sensorAVL MEDICAL INSTR AG·Filed 1997·Granted Oct 31, 2000·9 cites·2 claims
- 1740US2001043882A1Analyzing system for analyzing medical samplesFiled 2001·Application pending·0 cites
- 1838US5723340AOptical indicator for determining the activity of an ion in a sampleAVL MEDICAL INSTR AG·Filed 1996·Granted Mar 3, 1998·6 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →