Roger Tong
24Patents
7h-index
23Co-inventors
69Inventor score
Filing activity: Feb 3, 1997 → Feb 19, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6177669A | Vortex gas flow interface for electrospray mass spectrometry | Physics | 20 | Expired |
| US6207955A | Pneumatically assisted electrospray device with alternating pressure gradients for mass spectrometry | Electricity | 20 | Expired |
| US8928877B2 | Sample cell for fluid analysis system | Physics | 16 | Active |
| US5744029A | Gas chromatography oven | Physics | 16 | Expired |
| US7145136B2 | Atmospheric pressure ionization with optimized drying gas flow | Electricity | 8 | Expired |
| US6274867A | Multiple liquid flow electrospray interface | Electricity | 7 | Expired |
| US6794646B2 | Method and apparatus for atmospheric pressure chemical ionization | Electricity | 7 | Expired |
| US9561001B2 | Fluid handling cassette system for body fluid analyzer | Physics | 6 | Active |
| US10252770B2 | Hub and disk brake system and apparatus | Performing Operations; Transporting | 5 | Active |
| US6617578B1 | Self-aligned ion guide construction | Electricity | 5 | Expired |
| US7501623B2 | Two-dimensional electrode constructions for ion processing | Electricity | 4 | Active |
| US9554742B2 | Fluid analysis system | Physics | 3 | Active |
| US11390355B1 | Hydraulic brake system and apparatus | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US11919605B1 | Hydraulic brake system and apparatus | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11866124B2 | Hydraulic brake system and apparatus | Performing Operations; Transporting | 2 | Active |
| US9149809B2 | Thermal cycler with vapor chamber for rapid temperature changes | Performing Operations; Transporting | 2 | Active |
| US10201303B2 | Fluid analysis system | Physics | 1 | Active |
| US10660557B2 | Fluid analysis cuvette with coupled transparent windows | Physics | 1 | Active |
| US9883830B2 | Fluid handling cassette system for body fluid analyzer | Physics | 1 | Active |
| US12391332B2 | Hydraulic brake system and apparatus | Performing Operations; Transporting | 0 | Active |
| US12391333B2 | Hydraulic brake system and apparatus | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11021208B1 | Hydraulic brake system and apparatus | General | 0 | Revoked |
| US10383561B2 | Fluid handling cassette system for body fluid analyzer | Physics | 0 | Active |
| US10466156B2 | Optofluidic sorter | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.