- All sections
- G - Physics
- G08B - Signalling or calling systems; order telegraphs; alarm systems
- G08B 17/103 - Actuation by presence of smoke or gases using a light emitting and receiving device
Patent holdings for IPC class G08B 17/103
Total number of patents in this class: 154
10-year publication summary
|
22
|
11
|
20
|
7
|
18
|
15
|
24
|
11
|
5
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carrier Corporation | 4759 |
23 |
| Hochiki Corporation | 155 |
7 |
| NEC Corporation | 32703 |
6 |
| Finsecur | 41 |
6 |
| Google LLC | 38759 |
5 |
| Oneevent Technologies, Inc. | 60 |
5 |
| Siemens Schweiz AG | 580 |
5 |
| Valor Fire Safety, LLC | 17 |
5 |
| Siemens AG | 24990 |
4 |
| Kidde Technologies, Inc. | 276 |
4 |
| Garrett Thermal Systems Limited | 73 |
4 |
| Texas Instruments Incorporated | 19376 |
3 |
| Buildingreports.com, Inc. | 20 |
3 |
| Fenwal Controls of Japan, Ltd. | 18 |
3 |
| FFEI Limited | 42 |
3 |
| Vorwerk & Co. Interholding GmbH | 469 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Analog Devices, Inc. | 3475 |
2 |
| Dräger Safety AG & Co. KGaA | 401 |
2 |
| Other owners | 57 |