Issued Patents All Time
Showing 25 most recent of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410926 | Frost remidiation and frost sensor | Sotiri Hovardas | 2025-09-09 |
| 12385678 | Refrigerant leak detection using a sensor-reading context analysis | Ziyou Xiong, Michael J. Birnkrant | 2025-08-12 |
| 12359833 | Optical monitoring device for use in heating, ventilation, air conditioning and refrigeration system for moisture level | Ziyou Xiong, Michael J. Birnkrant, Richard G. Lord, Sarath Chandra Srikakulapu, Anup Kumar +1 more | 2025-07-15 |
| 12311212 | Fire suppression system remote monitoring | May L. Corn, Joseph William Ciol, Peter R. Harris, Mohammed Z. Ateeq, Abhay Balabhim Nadgir | 2025-05-27 |
| 12296213 | Fire suppression system remote monitoring | Thomas Kjellman | 2025-05-13 |
| 12298276 | Photoacoustic detection system with differential amplifier for determing target species presence and triggering fault | David L. Lincoln, Michael J. Birnkrant, Peter R. Harris, Arthur Blanc, Jose-Rodrigo Castillo-Garza | 2025-05-13 |
| 12298027 | Chamberless wide area duct smoke detector | David L. Lincoln, Slade R. Culp, Joseph Anthony Vidulich, Rick Wolf, Michael J. Birnkrant +3 more | 2025-05-13 |
| 12282008 | Methods of reducing the occurance of false positives in gas detectors | Ziyou Xiong, Michael J. Birnkrant | 2025-04-22 |
| 12259267 | Self reporting fire suppressant tank configuration | Cezary Jedryczka, Wojciech Szelag | 2025-03-25 |
| 12257467 | System and method for fire suppression by coupling fire detection with building systems | Michael J. Birnkrant, May L. Corn, Changmin Cao | 2025-03-25 |
| 12253457 | Environmental enclosure for a transport gas sensor | Michael J. Birnkrant | 2025-03-18 |
| 12163821 | Suppression tank scale and level determination | Tadeusz Pawel Witczak, Beata I. Wawrzyniak | 2024-12-10 |
| D1027682 | Refrigerant detection sensor housing | Michael J. Birnkrant | 2024-05-21 |
| 11988602 | Surface plasmon resonance detection system | David L. Lincoln, Michael J. Birnkrant, Jose-Rodrigo Castillo-Garza, Catherine Thibaud, Michael J. Giering +2 more | 2024-05-21 |
| 11986686 | Adaptable suppression tank level sensor | Tadeusz Pawel Witczak, Beata I. Wawrzyniak, Lukasz Majchrzak, Dawid Milcarek, Cezary Jedryczka | 2024-05-21 |
| 11944857 | Printed capacitive liquid level sensor for fire suppression | Michael J. Birnkrant, May L. Corn | 2024-04-02 |
| 11904196 | Magnetic trap suppression tank level sensor | Cezary Jedryczka, Wojciech Szelag, Rafal Wojciechowski, Tadeusz Pawel Witczak | 2024-02-20 |
| 11830339 | Portable auxiliary detection system | David L. Lincoln, Michael J. Birnkrant | 2023-11-28 |
| 11754533 | Photoacoustic detection system with clocked tuning fork positions | David L. Lincoln, Michael J. Birnkrant, Peter R. Harris, Arthur Blanc, Jose-Rodrigo Castillo-Garza | 2023-09-12 |
| 11741809 | Explosion proof fiber optic based detection | Michael J. Birnkrant, Hector Ortiz Valencia, Michael T. Gorski, Peter R. Harris | 2023-08-29 |
| 11668596 | Suppression tank scale and level determination | Tadeusz Pawel Witczak, Beata I. Wawrzyniak | 2023-06-06 |
| 11650152 | Calibration of an optical detector | Urcan Guler, David L. Lincoln | 2023-05-16 |
| 11648431 | Fire suppression system remote monitoring | May L. Corn, Joseph William Ciol, Peter R. Harris, Mohammed Z. Ateeq, Abhay Balabhim Nadgir | 2023-05-16 |
| 11604156 | Method and system for multi-sensor gas detection | Lei Chen | 2023-03-14 |
| 11493229 | Chamberless wide area duct smoke detector | David L. Lincoln, Slade R. Culp, Joseph Anthony Vidulich, Rick Wolf, Michael J. Birnkrant +3 more | 2022-11-08 |