David A. Dahl
16Patents
4h-index
15Co-inventors
57Inventor score
Filing activity: Nov 17, 1975 → Jul 9, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5665966A | Current measuring system | Electricity | 15 | Expired |
| US7259369B2 | Dual mode ion mobility spectrometer and method for ion mobility spectrometry | Physics | 13 | Expired |
| USD923556S1 | Tire | General | 8 | Active |
| US4968888A | Pulsed field sample neutralization | Physics | 6 | Expired |
| USD923557S1 | Tire | General | 4 | Active |
| US7038216B1 | Electrostatic shape-shifting ion optics | Electricity | 3 | Expired |
| US7518106B2 | Ion mobility spectrometers and methods for ion mobility spectrometry | Physics | 3 | Active |
| USD793951S1 | Tire tread | General | 2 | Active |
| US8129678B2 | Method and apparatuses for ion cyclotron spectrometry | Performing Operations; Transporting | 2 | Active |
| US7858950B2 | Electrostatic dispersion lenses and ion beam dispersion methods | Electricity | 1 | Active |
| US7777182B2 | Method and apparatus for ion cyclotron spectrometry | Performing Operations; Transporting | 1 | Active |
| US4053881A | Mobile radar apparatus | Physics | 1 | Expired |
| USD882499S1 | Tire tread | General | 1 | Active |
| US7518105B2 | Continuous sampling ion mobility spectrometers and methods therefor | Electricity | 1 | Active |
| US12031851B2 | Actuator apparatus with light actuated position sensor and secure position verification | Physics | 1 | Active |
| US12416513B2 | Actuator apparatus with light actuated position sensor and secure position verification | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.