- All sections
- D - Textilespaper
- D04H - Making textile fabrics, e.g. from fibres or filamentary materialfabrics made by such processes or apparatus, e.g. felts, non-woven fabricscotton-woolwadding
- D04H 1/4218 - Glass fibres
Patent holdings for IPC class D04H 1/4218
Total number of patents in this class: 600
10-year publication summary
|
36
|
54
|
51
|
51
|
32
|
46
|
43
|
50
|
52
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Owens Corning Intellectual Capital, LLC | 1722 |
92 |
| Saint-Gobain Isover | 678 |
88 |
| Rockwool A/S | 833 |
51 |
| Johns Manville | 920 |
48 |
| ROCKWOOL International A/S | 281 |
20 |
| The Procter & Gamble Company | 21861 |
18 |
| 3m Innovative Properties Company | 17488 |
16 |
| Saint-Gobain Adfors | 127 |
15 |
| Knauf Insulation SPRL | 169 |
13 |
| Knauf Insulation, Inc. | 183 |
12 |
| OCV Intellectual Capital, LLC | 151 |
11 |
| Hollingsworth & Vose Company | 301 |
7 |
| Teijin Limited | 1280 |
7 |
| Nippon Electric Glass Co., Ltd. | 2554 |
6 |
| Nitto Boseki Co., Ltd. | 302 |
6 |
| Hokuetsu Corporation | 64 |
6 |
| Rohm and Haas Company | 2946 |
5 |
| Asahi Fiber Glass Company, Limited | 47 |
5 |
| Cabot Corporation | 542 |
5 |
| Knauf Insulation | 48 |
5 |
| Other owners | 164 |