Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12266925 | Transmission line fault location, isolation and system restoration (FLISR) system | Michael Meisinger, Stephen E. Williams | 2025-04-01 |
| 12107410 | Transformer overcurrent protection | Stephen E. Williams, Marcelo Perez | 2024-10-01 |
| 11936181 | Earth fault sectionalizer for electric power distribution network | Stephen E. Williams, David Klein | 2024-03-19 |
| 11848557 | Utility distribution fault restoration system | David Porter, Michael Meisinger, Stephen E. Williams | 2023-12-19 |
| 11817702 | Sectionalizing using coded pulses and pulse testing | Stephen E. Williams, Michael Meisinger | 2023-11-14 |
| 11670471 | Low energy reclosing pulse test | David Porter, Stephen E. Williams, Peter J. Meyer, Thomas J. Dyer, Andrew B. Berman +2 more | 2023-06-06 |
| 11431167 | Utility distribution fault restoration system | David Porter, Michael Meisinger, Stephen E. Williams | 2022-08-30 |
| 11329479 | Locating and isolating grid faults utilizing a fast close-open operation | Michael Meisinger, Stephen E. Williams, David Porter | 2022-05-10 |
| 11328885 | Low energy reclosing pulse test | David Porter, Stephen E. Williams, Peter J. Meyer, Thomas J. Dyer, Andrew B. Berman +2 more | 2022-05-10 |
| 7738221 | Transformer inrush current detector | Ljubomir A. Kojovic, Timothy Robert Day | 2010-06-15 |
| 7180717 | Electrical network protection system | Ljubomir A. Kojovic | 2007-02-20 |
| 6810069 | Electrical arc furnace protection system | Ljubomir A. Kojovic | 2004-10-26 |
| 5093657 | Distribution cutout condition sensor | David M. Milone | 1992-03-03 |
| 4607309 | Apparatus for detecting arcing faults on low-voltage spot networks | — | 1986-08-19 |
| 4600961 | Protective relay apparatus for detecting high-impedance ground faults | — | 1986-07-15 |
| 4363066 | Protective relay | — | 1982-12-07 |