- All sections
- G - Physics
- G08B - Signalling or calling systemsorder telegraphsalarm systems
- G08B 21/24 - Reminder alarms, e.g. anti-loss alarms
Patent holdings for IPC class G08B 21/24
Total number of patents in this class: 1965
10-year publication summary
|
226
|
266
|
262
|
249
|
264
|
267
|
245
|
167
|
137
|
80
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tile, Inc. | 335 |
69 |
| GOJO Industries, Inc. | 882 |
51 |
| Apple Inc. | 55174 |
44 |
| NEC Corporation | 35778 |
40 |
| Samsung Electronics Co., Ltd. | 146811 |
27 |
| Huawei Technologies Co., Ltd. | 113064 |
23 |
| Alarm.com Incorporated | 975 |
22 |
| International Business Machines Corporation | 61305 |
21 |
| Essity Hygiene and Health Aktiebolag | 2041 |
20 |
| Toyota Motor Corporation | 32450 |
19 |
| Ecolab USA Inc. | 5496 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
17 |
| Boe Technology Group Co., Ltd. | 41291 |
17 |
| Ford Global Technologies, LLC | 20646 |
16 |
| Honda Motor Co., Ltd. | 25327 |
15 |
| Mitsubishi Electric Corporation | 46197 |
15 |
| Sony Corporation | 31025 |
13 |
| Microsoft Technology Licensing, LLC | 53786 |
13 |
| Denso Corporation | 24355 |
12 |
| Google LLC | 42333 |
12 |
| Other owners | 1481 |