- 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: 2030
10-year publication summary
|
266
|
262
|
249
|
264
|
267
|
244
|
169
|
139
|
128
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tile, Inc. | 346 |
70 |
| GOJO Industries, Inc. | 884 |
51 |
| Apple Inc. | 57718 |
48 |
| NEC Corporation | 36498 |
41 |
| Samsung Electronics Co., Ltd. | 152716 |
29 |
| Alarm.com Incorporated | 1009 |
25 |
| Huawei Technologies Co., Ltd. | 119240 |
23 |
| International Business Machines Corporation | 62111 |
21 |
| Toyota Motor Corporation | 34274 |
20 |
| Essity Hygiene and Health Aktiebolag | 2038 |
20 |
| Ecolab USA Inc. | 5702 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
17 |
| Boe Technology Group Co., Ltd. | 42723 |
17 |
| Ford Global Technologies, LLC | 21196 |
16 |
| Mitsubishi Electric Corporation | 47483 |
16 |
| Honda Motor Co., Ltd. | 25811 |
15 |
| Sony Corporation | 30510 |
13 |
| Denso Corporation | 25099 |
13 |
| Microsoft Technology Licensing, LLC | 54234 |
13 |
| Google LLC | 43621 |
13 |
| Other owners | 1531 |