- All sections
- A - Human necessities
- A44C - Personal adornments, e.g. jewellerycoins
- A44C 17/00 - Gems or the like
Patent holdings for IPC class A44C 17/00
Total number of patents in this class: 314
10-year publication summary
|
30
|
44
|
44
|
38
|
33
|
24
|
34
|
20
|
16
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| D. Swarovski KG | 87 |
17 |
| Albert Gad Ltd. | 40 |
16 |
| EllansaLabs Inc. | 49 |
14 |
| Worldwide Diamond Trademarks Limited | 58 |
12 |
| de Beers UK Limited | 422 |
6 |
| Element Six Technologies Limited | 207 |
6 |
| Synova SA | 57 |
6 |
| Swarovski International Holdling AG | 15 |
6 |
| DSW Kristall AG & Co KG | 15 |
6 |
| Omega SA | 220 |
5 |
| California Institute of Technology | 4038 |
4 |
| Crossfor Co., Ltd. | 57 |
4 |
| Ecna, LLC | 17 |
4 |
| Gemological Institute of America, Inc. (gia) | 87 |
4 |
| Grand Rainbow International Limited | 13 |
4 |
| Preciosa a.s. | 37 |
4 |
| Sahajanand Technologies Private Limited | 28 |
4 |
| NG Developments, LLC | 4 |
4 |
| Idd Limited | 5 |
4 |
| Sksm Diamonds Impex Limited | 5 |
4 |
| Other owners | 180 |