Davidson Instruments Inc.
10Patents
3Active
10Granted
35Portfolio score
Filing activity: Feb 1, 2005 → Mar 10, 2008 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7355726B2 | Linear variable reflector sensor and signal processor | Physics | 14 | Expired |
| US7355684B2 | Interferometric signal conditioner for measurement of the absolute length of gaps in a fiber optic Fabry-Perot interferometer | Physics | 13 | Expired |
| US7134346B2 | Differential pressure transducer with Fabry-Perot fiber optic displacement sensor | Physics | 12 | Expired |
| US7305158B2 | Interferometric signal conditioner for measurement of absolute static displacements and dynamic displacements of a Fabry-Perot interferometer | Physics | 12 | Expired |
| US7492463B2 | Method and apparatus for continuous readout of Fabry-Perot fiber optic sensor | Physics | 12 | Expired |
| US8115937B2 | Methods and apparatus for measuring multiple Fabry-Perot gaps | Physics | 6 | Active |
| US8125646B2 | Apparatus and methods for monitoring combustion dynamics in a gas turbine engine | Physics | 2 | Active |
| US7930938B2 | System for determining fluid level | Physics | 2 | Active |
| US7191660B2 | Flame shield for high temperature pressure transducer | Physics | 1 | Expired |
| US7443510B2 | Tunable laser for dynamic measurement | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.