HK

Hellfried Karpf

AI Avl Medical Instruments: 10 patents #3 of 74Top 5%
AA Avl Ag: 3 patents #7 of 29Top 25%
Overall (All Time): #328,275 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6139798 Sensor membrane of an optical sensor Ingo Klimant, Otto S. Wolfbeis 2000-10-31
5779978 Measuring assembly for luminescence analysis Paul R. Hartmann, Werner Ziegler, Johann Harer 1998-07-14
5723340 Optical indicator for determining the activity of an ion in a sample 1998-03-03
5372936 Method for detecting biological activities in a specimen Robert Fraatz, Ewald Joebstl 1994-12-13
5368027 Sensor arrangement for direct or indirect optical determination of physical or chemical properties Dietrich W. Lubbers 1994-11-29
5353792 Sensing device Dietrich W. Lubbers 1994-10-11
5351563 One-way measuring element for analyzing gaseous or liquid samples M. Jean-Pierre Leiner, Anton Mostl, Klaus Reichenberger, Bernhard Schaffar, Werner Ziegler 1994-10-04
5308581 Substance of an optical fluorescence measuring arrangement for measuring the pH of a sample and optical sensor with such an indicator substance Max Lippitsch, Marco Jean-Pierre Leiner 1994-05-03
5266486 Method and apparatus for detecting biological activities in a specimen Robert Fraatz, Ewald Joebstl 1993-11-30
5228350 Method for analyzing gaseous or liquid samples and a one-way measuring element for use in such a method Marcus J. Leiner, Anton Mostl, Klaus Reichenberger, Bernhard Schaffar, Werner Ziegler 1993-07-20
5217875 Method for detecting biological activities in a specimen and a device for implementing the method Herbert Smole 1993-06-08
5157262 Sensor element for determination of concentration of substances Hermann Marsoner, Herbert Kroneis, Otto S. Wolfbeis, Helmut List, Alfred Leitner 1992-10-20
5128019 Device for measuring chemical and physical parameters of a liquid or gaseous medium Helmut Offenbacher, Erich Kleinhappl, Hermann Marsoner, Ewald Jobstl 1992-07-07
5039490 Sensor element for determination of concentration of substances Hermann Marsoner, Herbert Kroneis, Otto S. Wolfbeis, Helmut List, Alfred Leitner 1991-08-13
4755667 Sensor element for determination of concentration of substances Hermann Marsoner, Alfred Leitner 1988-07-05