- All sections
- D - Textiles; paper
- D02G - Crimping or curling fibres, filaments, yarns, or threads; yarns or threads
- D02G 3/18 - Yarns or threads made from mineral substances from glass or the like
Patent holdings for IPC class D02G 3/18
Total number of patents in this class: 74
10-year publication summary
|
4
|
9
|
4
|
9
|
6
|
9
|
7
|
5
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Boseki Co., Ltd. | 261 |
6 |
| Compagnie Generale des Etablissements Michelin | 4450 |
5 |
| E. I. du Pont de Nemours and Company | 4345 |
4 |
| Nippon Sheet Glass Company, Limited | 992 |
4 |
| NV Bekaert SA | 750 |
4 |
| Shin-Etsu Quartz Products Co., Ltd. | 160 |
3 |
| Daikin Industries, Ltd. | 9495 |
2 |
| Compagnie générale des établissements Michelin SCA | 2477 |
2 |
| Michelin Recherche et Technique S.A. | 2328 |
2 |
| Nippon Electric Glass Co., Ltd. | 2299 |
2 |
| The University of North Carolina at Chapel Hill | 1928 |
2 |
| Yamauchi Corporation | 101 |
2 |
| Siemens AG | 24990 |
1 |
| The Boeing Company | 19843 |
1 |
| DSM IP Assets B.V. | 5856 |
1 |
| PPG Industries Ohio, Inc. | 3430 |
1 |
| Kaneka Corporation | 4445 |
1 |
| Ansell Healthcare Products LLC | 152 |
1 |
| Arntz Beteiligungs GmbH & Co. KG | 76 |
1 |
| Belchem Fiber Materials GmbH | 7 |
1 |
| Other owners | 28 |