- All sections
- G - Physics
- G08B - Signalling or calling systems; order telegraphs; alarm systems
- G08B 21/22 - Status alarms responsive to presence or absence of persons
Patent holdings for IPC class G08B 21/22
Total number of patents in this class: 1041
10-year publication summary
|
96
|
112
|
117
|
135
|
178
|
150
|
118
|
119
|
94
|
32
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BI Incorporated | 105 |
25 |
| Hill-Rom Services, Inc. | 1115 |
24 |
| Stryker Corporation | 3864 |
19 |
| Vivint, Inc. | 595 |
18 |
| Attenti Electronic Monitoring Ltd. | 44 |
14 |
| NEC Corporation | 32703 |
13 |
| International Business Machines Corporation | 60644 |
10 |
| Ford Global Technologies, LLC | 19702 |
10 |
| Google LLC | 38759 |
10 |
| Parasol Medical LLC | 62 |
10 |
| Umano Medical Inc. | 51 |
10 |
| Sony Corporation | 32931 |
8 |
| Honeywell International Inc. | 13799 |
8 |
| Robert Bosch GmbH | 40953 |
8 |
| Mitsubishi Electric Corporation | 43934 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
8 |
| Ecolink Intelligent Technology, Inc. | 189 |
8 |
| GOJO Industries, Inc. | 891 |
8 |
| Eaton Intelligent Power Limited | 6113 |
8 |
| Rakuten Group, Inc. | 1547 |
8 |
| Other owners | 806 |