Inventor
KARPF HELLFRIED
AT15 patents
⚠️ This page may combine multiple inventors who share the name “KARPF HELLFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AVL MEDICAL INSTR AG
10 patentsUS5157262AOct 20, 1992
Sensor element for determination of concentration of substances
AVL MEDICAL INSTR AG131 citations98
US5353792AOct 11, 1994
Sensing device
AVL MEDICAL INSTR AG136 citations97
US5368027ANov 29, 1994
Sensor arrangement for direct or indirect optical determination of physical or chemical properties
AVL MEDICAL INSTR AG81 citations96
US5779978AJul 14, 1998
Measuring assembly for luminescence analysis
AVL MEDICAL INSTR AG103 citations95
US5128019AJul 7, 1992
Device for measuring chemical and physical parameters of a liquid or gaseous medium
AVL MEDICAL INSTR AG29 citations92
US5308581AMay 3, 1994
Substance of an optical fluorescence measuring arrangement for measuring the pH of a sample and optical sensor with such an indicator substance
AVL MEDICAL INSTR AG25 citations90
US5351563AOct 4, 1994
One-way measuring element for analyzing gaseous or liquid samples
AVL MEDICAL INSTR AG24 citations89
US5228350AJul 20, 1993
Method for analyzing gaseous or liquid samples and a one-way measuring element for use in such a method
AVL MEDICAL INSTR AG20 citations78
US6139798AOct 31, 2000
Sensor membrane of an optical sensor
AVL MEDICAL INSTR AG9 citations73
US5723340AMar 3, 1998
Optical indicator for determining the activity of an ion in a sample
AVL MEDICAL INSTR AG6 citations62
AVL AG
3 patentsUS5039490AAug 13, 1991
Sensor element for determination of concentration of substances
AVL AG120 citations97
US4755667AJul 5, 1988
Sensor element for determination of concentration of substances
AVL AG93 citations95
US5217875AJun 8, 1993
Method for detecting biological activities in a specimen and a device for implementing the method
AVL AG30 citations86