Martin Hofmann
59Patents
11h-index
48Co-inventors
78Inventor score
Filing activity: Sep 26, 1991 → Dec 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6614228B2 | Device for trapping at least one component of a chromatography flow in an LC/NMR environment | Physics | 55 | Expired |
| US5283036A | Apparatus for coupled liquid chromatography and nuclear magnetic resonance spectroscopy measurements | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5397989A | Directly coupled sample changer system for fluid NMR spectroscopy | Physics | 41 | Expired |
| US5902485A | Access valve devices, their use in separation apparatus and corresponding methods | Physics | 27 | Expired |
| US5517856A | NMR sample holder | Physics | 24 | Expired |
| US6402946B1 | Device for feeding a chromatography flow | Physics | 20 | Expired |
| US6741079B2 | NMR microsample holder which allows safe and simple exchanges of the sample tube | Physics | 18 | Expired |
| US6838880B2 | Flow-through cryogenic NMR probe | Physics | 17 | Expired |
| US6446679B2 | Methods and apparatus for packing chromatography columns | Physics | 16 | Expired |
| US6524484B2 | Access valve devices, their use in separation apparatus, and corresponding methods | Physics | 12 | Expired |
| US9023996B2 | Anti-FLT3 antibodies | Chemistry; Metallurgy | 12 | Active |
| US5258712A | Sample head for flowthrough NMR spectroscopy | Physics | 11 | Expired |
| US6090279A | Access valve devices, their use in separation apparatus, and corresponding methods | Physics | 9 | Expired |
| US7757560B2 | Methods and apparatus for observing vessel contents | Physics | 9 | Active |
| US7250767B2 | Method for introducing a liquid sample into an NMR spectrometer | Physics | 8 | Expired |
| US8766631B2 | NMR measurement apparatus with flow-through probehead | Physics | 7 | Active |
| US5726570A | NMR measuring cell | Physics | 7 | Expired |
| US9546747B2 | Apparatus and methods for fluid processing and flow control | Emerging Cross-Sectional Technologies | 6 | Active |
| US6277283A | Access valve devices, their use in separation apparatus, and corresponding methods | Physics | 6 | Expired |
| US7279094B2 | Chromatography methods and chromatography apparatus | Physics | 6 | Expired |
| US6811688B1 | Chromatography columns | Physics | 6 | Expired |
| US7248050B2 | NMR apparatus | Physics | 5 | Expired |
| US7972506B2 | Chromatography columns and their operation | Performing Operations; Transporting | 4 | Active |
| US5198766A | Apparatus for measuring chemical and/or physical reaction sequences by nuclear magnetic resonance spectrometry | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7096886B2 | Multiport switching valve for a liquid flow system | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.