- 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: 1960
10-year publication summary
|
233
|
272
|
269
|
256
|
268
|
268
|
251
|
170
|
136
|
74
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tile, Inc. | 334 |
68 |
| GOJO Industries, Inc. | 883 |
51 |
| Apple Inc. | 54844 |
44 |
| NEC Corporation | 35652 |
39 |
| Samsung Electronics Co., Ltd. | 146092 |
27 |
| Huawei Technologies Co., Ltd. | 112438 |
23 |
| Alarm.com Incorporated | 976 |
22 |
| International Business Machines Corporation | 61228 |
21 |
| Essity Hygiene and Health Aktiebolag | 2042 |
20 |
| Toyota Motor Corporation | 32116 |
19 |
| Ecolab USA Inc. | 5480 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 31375 |
17 |
| Boe Technology Group Co., Ltd. | 41139 |
17 |
| Ford Global Technologies, LLC | 20570 |
16 |
| Honda Motor Co., Ltd. | 25251 |
15 |
| Sony Corporation | 31052 |
13 |
| Mitsubishi Electric Corporation | 46093 |
13 |
| Microsoft Technology Licensing, LLC | 53720 |
13 |
| Denso Corporation | 24282 |
12 |
| Google LLC | 42196 |
12 |
| Other owners | 1480 |