Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8123921 | Method and device for the preparation of liquid samples in NMR spectroscopy using a combined titration and pH electrode | Gudrun Hofmann | 2012-02-28 |
| 8063640 | Method and device for measuring a sample in an NMR spectrometer using a coupling configuration with a press fit cell having a capillary envelope fastener | Thorsten Marquardsen | 2011-11-22 |
| 7972506 | Chromatography columns and their operation | — | 2011-07-05 |
| 7854844 | Detection systems and methods | David Johnson | 2010-12-21 |
| 7757560 | Methods and apparatus for observing vessel contents | — | 2010-07-20 |
| 7661295 | Method for coupling a gas chromatography device to an NMR spectrometer and associated apparatus | — | 2010-02-16 |
| 7608462 | Drying SPE cartridges | Werner E. Maas | 2009-10-27 |
| 7578174 | Apparatus for analyzing a liquid sample using a multiple-lumen capillary | — | 2009-08-25 |
| 7518371 | Completely automatic MAS-NMR apparatus | Manfred Spraul | 2009-04-14 |
| 7279094 | Chromatography methods and chromatography apparatus | — | 2007-10-09 |
| 7250767 | Method for introducing a liquid sample into an NMR spectrometer | Pius Fink | 2007-07-31 |
| 7248050 | NMR apparatus | Manfred Spraul | 2007-07-24 |
| 7195709 | Detection systems and methods | David Johnson | 2007-03-27 |
| 7096886 | Multiport switching valve for a liquid flow system | — | 2006-08-29 |
| 6966991 | Methods and apparatus for packing chromatography columns and chromatography column | — | 2005-11-22 |
| 6838880 | Flow-through cryogenic NMR probe | Manfred Spraul, Robert E. Nast, Damon Leslie Harris | 2005-01-04 |
| 6811688 | Chromatography columns | — | 2004-11-02 |
| 6741079 | NMR microsample holder which allows safe and simple exchanges of the sample tube | Ernst Ulrich Braumann | 2004-05-25 |
| 6719899 | Access valve devices, their use in separation apparatus, and corresponding methods | John D. Davis | 2004-04-13 |
| 6671053 | Illumination measuring device | Arno Euteneuer, Harald Giessen | 2003-12-30 |
| 6614228 | Device for trapping at least one component of a chromatography flow in an LC/NMR environment | Manfred Spraul, Marcus Godejohann | 2003-09-02 |
| 6524484 | Access valve devices, their use in separation apparatus, and corresponding methods | John D. Davis | 2003-02-25 |
| 6446679 | Methods and apparatus for packing chromatography columns | Gordon R. Thorn | 2002-09-10 |
| 6402946 | Device for feeding a chromatography flow | Manfred Spraul | 2002-06-11 |
| 6277283 | Access valve devices, their use in separation apparatus, and corresponding methods | John D. Davis | 2001-08-21 |