MDS Health Group Limited
17Patents
0Active
17Granted
33Portfolio score
Filing activity: Jan 14, 1983 → Oct 21, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4963736A | Mass spectrometer and method and improved ion transmission | Electricity | 134 | Expired |
| US5412208A | Ion spray with intersecting flow | Electricity | 131 | Expired |
| US6111250A | Quadrupole with axial DC field | Electricity | 128 | Expired |
| US5179278A | Multipole inlet system for ion traps | Electricity | 113 | Expired |
| US5381008A | Method of plasma mass analysis with reduced space charge effects | Electricity | 105 | Expired |
| US5576540A | Mass spectrometer with radial ejection | Electricity | 62 | Expired |
| US5633166A | Method of analyzing medical specimens with improved length of analytical run determination | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5345079A | Apparatus and method for liquid sample introduction | Physics | 47 | Expired |
| US5248875A | Method for increased resolution in tandem mass spectrometry | Electricity | 46 | Expired |
| US5952653A | Protein sequencing by mass spectrometry | Physics | 45 | Expired |
| US5463219A | Mass spectrometer system and method using simultaneous mode detector and signal region flags | Electricity | 37 | Expired |
| US4746794A | Mass analyzer system with reduced drift | Electricity | 31 | Expired |
| US5565679A | Method and apparatus for plasma mass analysis with reduced space charge effects | Electricity | 26 | Expired |
| US4819477A | Method and apparatus for trace sample collection | Physics | 26 | Expired |
| US4682026A | Method and apparatus having RF biasing for sampling a plasma into a vacuum chamber | Electricity | 25 | Expired |
| US4501965A | Method and apparatus for sampling a plasma into a vacuum chamber | Electricity | 21 | Expired |
| US5684581A | Torch for inductively coupled plasma spectrometry | Electricity | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.