- All sections
- E - Fixed constructions
- E05B - Locksaccessories thereforhandcuffs
- E05B 37/02 - Permutation locksPuzzle locks with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others
Patent holdings for IPC class E05B 37/02
Total number of patents in this class: 219
10-year publication summary
|
18
|
23
|
20
|
32
|
35
|
24
|
15
|
20
|
24
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Sun Lock Company Ltd. | 52 |
23 |
| Sinox Co., Ltd. | 75 |
19 |
| Schlage Lock Company LLC | 1329 |
16 |
| Xiamen Make Security Technology Co., Ltd. | 48 |
13 |
| Master Lock Company LLC | 541 |
7 |
| Fullyear-brother Enterprise Co., Ltd. | 8 |
7 |
| ACCO Brands Corporation | 822 |
6 |
| Secure Medication Systems, LLC | 17 |
6 |
| ABUS August Bremicker Söhne KG | 691 |
4 |
| Eversafe Technologies Limited | 17 |
4 |
| Kokuyo Co., Ltd. | 221 |
4 |
| Yifeng Manufacturing Co., Ltd. | 19 |
4 |
| The Sun Lock Company Ltd. | 11 |
4 |
| Rxguardian Inc. | 29 |
4 |
| DG International Holdings Limited | 64 |
3 |
| Ingamar Co. Ltd. | 13 |
3 |
| Sinoxlock (Kunshan) Co., Ltd. | 8 |
3 |
| Steven Douglas Small | 5 |
3 |
| Wordlock, Inc. | 5 |
3 |
| Shen Zhen City Gongyi Technology Co., Ltd | 3 |
3 |
| Other owners | 80 |