Xantrex Technology Inc.
28Patents
18Active
28Granted
46Portfolio score
Filing activity: Feb 25, 2002 → Sep 28, 2010 · 16 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7091707B2 | Method and apparatus for controlling power drawn from an energy converter | Emerging Cross-Sectional Technologies | 317 | Expired |
| US7319313B2 | Photovoltaic DC-to-AC power converter and control method | Emerging Cross-Sectional Technologies | 223 | Expired |
| US7463500B2 | Monopolar DC to bipolar DC to AC converter | Emerging Cross-Sectional Technologies | 219 | Active |
| US7432691B2 | Method and apparatus for controlling power drawn from an energy converter | Emerging Cross-Sectional Technologies | 214 | Active |
| US7420354B2 | Method and apparatus for controlling power drawn from an energy converter | Emerging Cross-Sectional Technologies | 194 | Active |
| US7072195B2 | Modular AC voltage supply and algorithm for controlling the same | Emerging Cross-Sectional Technologies | 73 | Expired |
| US7521914B2 | Photovoltaic DC-to-AC power converter and control method | Emerging Cross-Sectional Technologies | 72 | Active |
| USD507528S1 | Solar powered inverter | General | 50 | Expired |
| US7710752B2 | Transformerless utility-grid-interactive inverter | Emerging Cross-Sectional Technologies | 49 | Active |
| US7411309B2 | Control system for doubly fed induction generator | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6847196B2 | Method and apparatus for reducing switching losses in a switching circuit | Emerging Cross-Sectional Technologies | 37 | Expired |
| USRE41965E1 | Bi-directional multi-port inverter with high frequency link transformer | General | 36 | Active |
| USRE42039E1 | DC to AC inverter with single-switch bipolar boost circuit | General | 34 | Active |
| US7667610B2 | Producing an indication of solar panel condition based on age and actual power output | Emerging Cross-Sectional Technologies | 33 | Active |
| US8159178B2 | AC connected modules with line frequency or voltage variation pattern for energy control | Emerging Cross-Sectional Technologies | 22 | Active |
| US7248483B2 | High power density insulated metal substrate based power converter assembly with very low BUS impedance | Electricity | 19 | Expired |
| USRE43572E1 | Bi-directional multi-port inverter with high frequency link transformer | General | 9 | Active |
| US7215035B2 | Method and apparatus for converting wind generated electricity to constant frequency electricity for a utility grid | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8467160B2 | Bipolar DC to AC power converter with DC ground fault interrupt | Emerging Cross-Sectional Technologies | 6 | Active |
| US7646275B2 | Device and method for eliminating transformer excitation losses | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8258759B2 | Anti-islanding for grid-tie inverter using covariance estimation and logic decision maker | Emerging Cross-Sectional Technologies | 3 | Active |
| US8058958B2 | Device and method for eliminating transformer excitation losses | Emerging Cross-Sectional Technologies | 3 | Active |
| US6984148B1 | Electrical connector apparatus and cover therefor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8482893B2 | Integrated photovoltaic source circuit combiner and protection subsystem | Electricity | 3 | Active |
| US8167257B2 | Apparatus, method, and system for supporting an object | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.