- All sections
- A - Human necessities
- A44C - Personal adornments, e.g. jewellery; coins
- A44C 17/00 - Gems or the like
Patent holdings for IPC class A44C 17/00
Total number of patents in this class: 311
10-year publication summary
|
30
|
30
|
44
|
44
|
38
|
33
|
24
|
34
|
18
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| D. Swarovski KG | 101 |
22 |
| Worldwide Diamond Trademarks Limited | 65 |
16 |
| Albert Gad Ltd. | 37 |
15 |
| EllansaLabs Inc. | 51 |
14 |
| Element Six Technologies Limited | 188 |
6 |
| Synova SA | 58 |
6 |
| California Institute of Technology | 3929 |
5 |
| de Beers UK Limited | 454 |
5 |
| Omega SA | 207 |
5 |
| Crossfor Co., Ltd. | 58 |
4 |
| Ecna, LLC | 12 |
4 |
| Grand Rainbow International Limited | 13 |
4 |
| Preciosa a.s. | 39 |
4 |
| Sahajanand Technologies Private Limited | 25 |
4 |
| NG Developments, LLC | 5 |
4 |
| Sksm Diamonds Impex Limited | 5 |
4 |
| Impossible Diamond, Inc. | 19 |
4 |
| Kyocera Corporation | 13327 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10682 |
3 |
| Chow Tai Fook Jewellery Company Limited | 12 |
3 |
| Other owners | 176 |