Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11658588 | Electric door release powered by an energy harvester | Michael A. Webb, Scott Sullivan | 2023-05-23 |
| 10965163 | Compact power transfer mechanism using induced EMF | Robert W. Lewis | 2021-03-30 |
| 10840740 | Compact power transfer mechanism using induced EMF | Robert W. Lewis | 2020-11-17 |
| 10615721 | Electric door release powered by an energy harvester | Michael A. Webb, Scott Sullivan | 2020-04-07 |
| D860958 | Power transfer module housing | Robert W. Lewis, Scott Sullivan | 2019-09-24 |
| 10270372 | Electric door release powered by an energy harvester | Michael A. Webb, Scott Sullivan | 2019-04-23 |
| D812024 | Power transfer module housing | Robert W. Lewis, Scott Sullivan | 2018-03-06 |
| RE46546 | Control circuit for electric unlocking devices using actuating solenoids | Edward Schoepke | 2017-09-12 |
| 9449747 | Springless electromagnet actuator having a mode selectable magnetic armature | Dominik Scheffler | 2016-09-20 |
| 9290966 | System for providing power and data transmission between a door and a frame | — | 2016-03-22 |
| 9183976 | Springless electromagnet actuator having a mode selectable magnetic armature | Dominik Scheffler | 2015-11-10 |
| 9151079 | Electric door release powered by energy harvester | Michael A. Webb, Charles Christiansen, Scott Sullivan | 2015-10-06 |
| 8687341 | Control circuit for electric unlocking devices using actuating solenoids | Edward Schoepke | 2014-04-01 |
| 8659176 | Electromagnetic energy harvester and a door latch release mechanism as an energy source for the harvester | — | 2014-02-25 |
| 8294302 | System for providing power and data transmission between a door and a frame | Joshua T. Peabody | 2012-10-23 |
| 8047585 | Surface mounted electric strike for releasing remote panic exit devices | Joshua T. Peabody, Michael A. Webb, Dominik Scheffler | 2011-11-01 |
| 6595564 | Electric door strike having dual locking mechanism | Michael T. Ozee | 2003-07-22 |
| 6021038 | Control circuit for an electric door strike using a latching solenoid | — | 2000-02-01 |
| 4669766 | Door holding magnet | Mark A. Lawrence | 1987-06-02 |
| 4626010 | Concealed door release mechanism | Mark A. Lawrence | 1986-12-02 |
| 4595220 | Dead bolt sensing and strike closing mechanism | Mark A. Lawrence | 1986-06-17 |