Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410636 | Exit device coordination mechanisms | Matthew S. Graham, Gregory Musselman | 2025-09-09 |
| 12104403 | Lock cylinder with electronic key recognition | Douglas A. Holmes, Sundar Vasudevan, Anoop Dutt Mysore Nagesh | 2024-10-01 |
| 12006734 | Rotation converter | Nagesh Varadaraju | 2024-06-11 |
| 11982109 | Exit device force adjustment mechanisms | Jack R. Lehner, Jr., Paul R. Arlinghaus | 2024-05-14 |
| 11952800 | Lock devices, systems and methods | Kenton H. Barker | 2024-04-09 |
| 11920375 | Modular bidirectional spring cage | Saagar Mohammed, Nagesh Varadaraju | 2024-03-05 |
| 11851915 | Rotation converter | Phaneendra Kumar, Nagesh Varadaraju | 2023-12-26 |
| 11473342 | User sensing exit device | James W. Overbey, Yong Kwan Lacy, Jack R. Lehner, Jr., Jarrett Bartlett | 2022-10-18 |
| 11443572 | Electronic lock with clutch | Vishal Salitkumar Kusanale, Mahesha Appaji, Rakshith R. Nayak, Vijayakumar Mani | 2022-09-13 |
| 11220838 | Door hardware noise reduction and evaluation | Gregory Musselman, Brian C. Eickhoff, Benjamin L. Miller, Paul R. Arlinghaus, Vijayakumar Mani +1 more | 2022-01-11 |
| 11156019 | Lock cylinder with electronic key recognition | Douglas A. Holmes, Sundar Vasudevan, Anoop Dutt Mysore Nagesh | 2021-10-26 |
| 11078704 | Method and apparatus for adjusting the closing force of a door | Nicholas Long, Jason Fodstad | 2021-08-03 |
| 10844644 | Power boost module for a door closer | Daniel Langenberg, Brian C. Eickhoff | 2020-11-24 |
| 10829957 | Lock devices, systems and methods | Kenton H. Barker | 2020-11-10 |
| 10415269 | Lock cylinder with electronic key recognition | Douglas A. Holmes, Sundar Vasudevan, Anoop N. M. Dutt | 2019-09-17 |
| 10385601 | Door actuator | Brian C. Eickhoff | 2019-08-20 |
| 10344502 | User sensing exit device | James W. Overbey, Yong Kwan Lacy, Jack R. Lehner, Jr., Jarrett Bartlett | 2019-07-09 |
| 10316568 | Power boost module for a door closer | Daniel Langenberg, Brian C. Eickhoff | 2019-06-11 |
| 10233672 | Lock devices, systems and methods | Kenton H. Barker | 2019-03-19 |
| 10208520 | Method and apparatus for adjusting the closing force of a door | Nicholas Long, Jason Fodstad | 2019-02-19 |
| 10072444 | Exit device force adjustment mechanisms | Jack R. Lehner, Jr., Paul R. Arlinghaus | 2018-09-11 |
| 9816292 | Lock devices, systems and methods | Kenton H. Barker | 2017-11-14 |
| 9790711 | Lock devices, systems and methods | Kenton H. Barker | 2017-10-17 |
| 9574385 | Door actuator | Brian C. Eickhoff | 2017-02-21 |
| 9482041 | Door actuator | Brian C. Eickhoff | 2016-11-01 |