Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12418168 | High-impedance differential protection using a diversity of signals | Normann Fischer, Anushka M. Dissanayake, Jay Hartshorn | 2025-09-16 |
| 12244135 | Differential protection using instrument transformer signal transducers | Jay Hartshorn, Anushka M. Dissanayake, Pallavi Kulkarni, Veselin Skendzic, Vinod K. Yedidi +2 more | 2025-03-04 |
| 11754602 | Frequency sensing systems and methods | Jay Hartshorn | 2023-09-12 |
| 11736051 | Synchronous motor startup configuration to synchronous mode at a field zero-crossing | Anushka M. Dissanayake, Pallavi Kulkarni | 2023-08-22 |
| 11588432 | Motor monitoring and protection using residual voltage | — | 2023-02-21 |
| 11469588 | Electric power system differential protection with DC compensation | Andrea Di Tomasso, Yusuf Zafer Korkmaz, Jay Hartshorn | 2022-10-11 |
| 11381084 | Frequency measurement for load shedding and accurate magnitude calculation | Jay Hartshorn, Veselin Skendzic, Chandrasekaran Swaminathan, Vinod K. Yedidi, Angelo D'Aversa +2 more | 2022-07-05 |
| 11231449 | Frequency sensing systems and methods | Jay Hartshorn | 2022-01-25 |
| 11218103 | Induction motor slip calculation | Jay Hartshorn, Subhash C. Patel, Vinod K. Yedidi, Jianchun Qin | 2022-01-04 |
| 11018497 | In-phase motor bus transfer | Jay Hartshorn | 2021-05-25 |
| 10848092 | Electric motor protection using stator current and voltage measurements | Jay Hartshorn | 2020-11-24 |
| 10732223 | Circuit breaker health monitoring | Scott M. Manson | 2020-08-04 |
| 10523150 | Systems and methods for motor slip calculation using shaft-mounted sensors | — | 2019-12-31 |
| 10473701 | Systems and methods for magnetometer-based current measurement | — | 2019-11-12 |
| 10298168 | Slip-dependent motor model | — | 2019-05-21 |
| 10298100 | Shaft-mounted monitor for monitoring rotating machinery | — | 2019-05-21 |
| 10063124 | Shaft mounted monitor for rotating machinery | — | 2018-08-28 |
| 10054641 | Monitoring synchronization of a motor using stator current measurements | — | 2018-08-21 |
| 9917545 | Electric motor thermal protection using stator current measurements | Angelo D'Aversa, Subhash C. Patel, Vinod K. Yedidi, Jianchun Qin | 2018-03-13 |
| 9660438 | Secure and dependable differential protection for electric power generators | — | 2017-05-23 |
| 9151802 | Detection of broken rotor bar conditions in a motor using maximum current magnitude and average current magnitude | — | 2015-10-06 |
| 8706309 | Systems and method for obtaining a load model and related parameters based on load dynamics | Edmund O. Schweitzer, III, David E. Whitehead | 2014-04-22 |
| 8554385 | Systems and methods for monitoring and controlling electrical system stability | — | 2013-10-08 |
| 8405944 | Distributed bus differential protection using time-stamped data | Armando Guzman-Casillas, Edmund O. Schweitzer, III | 2013-03-26 |
| 8346402 | Islanding detection in an electrical power delivery system | Armando Guzman-Casillas, Mangapathirao Venkata Mynam | 2013-01-01 |