Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12347638 | Mechanical lockout for solid-state switch | Adam Douglas Ledgerwood, Joseph Michael Manahan, Graig E. DeCarr | 2025-07-01 |
| 12237136 | Hazardous location compliant circuit protection devices having enhanced safety intelligence, systems and methods | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr | 2025-02-25 |
| 12136531 | Hazardous location compliant circuit protection devices, systems and methods with safety lockout/tagout components | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr | 2024-11-05 |
| 12095253 | Configurable circuit protector with pre-programmed field deployable adaptor | Adikaramge Asiri Jayawardena, Joseph Michael Manahan | 2024-09-17 |
| 11990744 | Configurable modular hazardous location compliant circuit protection devices, systems and methods | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr | 2024-05-21 |
| 11967478 | Circuit protection devices, systems and methods for explosive environment compliance | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr, Edmund Leubner | 2024-04-23 |
| 11682898 | Configurable modular hazardous location compliant ciruit protection devices, systems and methods | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr | 2023-06-20 |
| 11615925 | Hazardous location compliant circuit protection devices having enhanced safety intelligence, systems and methods | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr | 2023-03-28 |
| 11613915 | Mechanical lockout for non-mechanical-interfacing electronic switch | Adam Douglas Ledgerwood, Joseph Michael Manahan, Graig E. DeCarr | 2023-03-28 |
| 11527882 | Compliant, hazardous environment circuit protection devices, systems and methods | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr, Edmund Leubner | 2022-12-13 |
| 11456142 | Hazardous location compliant circuit protection devices, systems and methods with safety lockout/tagout components | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr | 2022-09-27 |
| 11303111 | Configurable modular hazardous location compliant circuit protection devices, systems and methods | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr | 2022-04-12 |
| 11270854 | Circuit protection devices, systems and methods for explosive environment compliance | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr, Edmund Leubner | 2022-03-08 |
| 11239652 | Compliant, hazardous environment circuit protection devices, systems and methods | Joseph Michael Manahan, Adam Douglas Ledgerwood, Graig E. DeCarr, Edmund Leubner | 2022-02-01 |
| 10656668 | Operator mechanism for control enclosure | Graig E. DeCarr, Joseph Michael Manahan | 2020-05-19 |
| 10310542 | Operator mechanism for control enclosure | Graig E. DeCarr, Joseph Michael Manahan | 2019-06-04 |
| 9946013 | Indicator lights | Yi Yang, Joseph Edward Platt | 2018-04-17 |
| 8630074 | Over-temperature protected triac and protection method | Nicholas John Ham, Ed Huang, Jianfeng Zhang, Andrew Mark Warwick, Minghaoi Jin | 2014-01-14 |
| 8357971 | Trench gate MOSFET and method of manufacturing the same | Steven Peake, Philip Rutter, Christopher Martin Rogers, Miron Drobnis | 2013-01-22 |