Patents
US 9293949 B2: Electric power grid signal processing methods, oscillatory mode estimation methods and mode shape estimation methods
- Granted
- 2016-03-22
- Filed
- 2012-02-06 application 13367276
- Type
- Utility · 21 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Electric power grid monitoring methods and apparatus are described. According to one aspect, an electric power grid signal processing method includes accessing a plurality of signals which are individually indicative of a characteristic of electromechanical energy within an electric power grid, using the plurality of signals, generating a composite signal, and analyzing the composite signal to provide information regarding an oscillatory mode within the electric power system.
Source: PVGPATDIS, file of 2026-04-10 (ipg160322.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Montana Tech of the University of Montana 7 patents | US company or organization | Butte, MT | PVGPATDIS, file of 2026-04-10 | |
| UNIVERSITY OF WYOMING 175 patents | US federal government | Laramie, WY | University of Wyoming College or university EXACT high confidence: identical full name and state UNIVERSITY OF WYOMING Federal lobbying client EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Dan Trudnowski | O'Fallon, MO | 1 | PVGPATDIS, file of 2026-04-10 | |
| John M. Pierre | Laramie, WY | 4 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H02J | Electric power networks; circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy | H02J13/00002 | PVGPATDIS, file of 2026-04-10 |
| G01R | Measuring electric variables; measuring magnetic variables | G01R19/2513 | PVGPATDIS, file of 2026-04-10 |
| Y02E | Reduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution | Y02E40/70 | PVGPATDIS, file of 2026-04-10 |
| Y04S | Systems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids | Y04S10/00 | 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 |
|---|---|---|---|---|---|
| 2023-12-27 | Government interest Confirmatory license | MONTANA TECHNOLOGICAL UNIVERSITY signed 2023-11-17 | UNITED STATES DEPARTMENT OF ENERGY WASHINGTON, DC | 66130/289 | ECORSEXC, file of 2026-09-25 |
| 2015-01-07 | Assignment Assignment of assignor's interest | PIERRE, JOHN signed 2015-01-06 TRUDNOWSKI, DAN signed 2015-01-07 | UNIVERSITY OF WYOMING LARAMIE, WY MONTANA TECH OF THE UNIVERSITY OF MONTANA BUTTE, MT | 34652/895 | 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.