- All sections
- G - Physics
- G08B - Signalling or calling systems; order telegraphs; alarm systems
- G08B 17/117 - Actuation by presence of smoke or gases by using a detection device for specific gases, e.g. combustion products, produced by the fire
Patent holdings for IPC class G08B 17/117
Total number of patents in this class: 178
10-year publication summary
|
24
|
15
|
11
|
18
|
26
|
29
|
19
|
20
|
11
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 38759 |
35 |
| Carrier Corporation | 4759 |
15 |
| Honeywell International Inc. | 13799 |
10 |
| Garrett Thermal Systems Limited | 73 |
5 |
| Siemens AG | 24990 |
4 |
| UT-Battelle, LLC | 1333 |
4 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
4 |
| NEC Corporation | 32703 |
3 |
| Hochiki Corporation | 155 |
3 |
| Nevada Nanotech Systems Inc. | 22 |
3 |
| Thorn Security Limited | 26 |
3 |
| Briggs & Stratton, LLC | 673 |
3 |
| Progress Lighting, LLC | 70 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| 3m Innovative Properties Company | 18406 |
2 |
| The Boeing Company | 19843 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Enersul Inc. | 9 |
2 |
| Gentex Corporation | 1742 |
2 |
| Minimax GmbH & Co. KG | 143 |
2 |
| Other owners | 69 |