Patents
US 9172312 B2: Reducing photovoltaic array voltage during inverter re-enablement
- Granted
- 2015-10-27
- Filed
- 2009-11-25 application 12625645
- Type
- Utility · 18 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An apparatus for harvesting solar power includes a photovoltaic array for generating a DC voltage; a discharge circuit for causing the DC voltage to decay from a first value to a second value; and an inverter circuit for transforming an output voltage from the discharge circuit into an AC voltage.
Source: PVGPATDIS, file of 2026-04-10 (ipg151027.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| American Superconductor Corporation 53 patents | US company or organization | Devens, MA | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Douglas C. Folts | Baraboo, WI | 11 | PVGPATDIS, file of 2026-04-10 | |
| Kleber V. C. Facchini | Waukesha, WI | 1 | PVGPATDIS, file of 2026-04-10 | |
| Ajith H. Wijenayake | New Berlin, WI | 3 | PVGPATDIS, file of 2026-04-10 | |
| Gary J. Bowers | Waunakee, WI | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H02M | Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; conversion of dc or ac input power into surge output power; control or regulation thereof | H02M7/5387 | PVGPATDIS, file of 2026-04-10 |
| H02H | Emergency protective circuit arrangements | H02H7/1222 | PVGPATDIS, file of 2026-04-10 |
| H10F | Inorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation | H10F77/955 | PVGPATDIS, file of 2026-04-10 |
| Y02E | Reduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution | Y02E10/56 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2009-11-25 | Assignment Assignment of assignor's interest | BOWERS, GARY J. signed 2009-11-23 FACCHINI, KLEBER V.C. signed 2009-11-23 WIJENAYAKE, AJITH H. signed 2009-11-23 FOLTS, DOUGLAS C. signed 2009-11-24 | AMERICAN SUPERCONDUCTOR CORPORATION DEVENS, MA | 23568/829 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.