- 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: 535
10-year publication summary
|
33
|
36
|
54
|
51
|
49
|
31
|
46
|
42
|
43
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Isover | 630 |
85 |
| Owens Corning Intellectual Capital, LLC | 1602 |
64 |
| Johns Manville | 955 |
47 |
| Rockwool A/S | 779 |
44 |
| ROCKWOOL International A/S | 307 |
21 |
| The Procter & Gamble Company | 22018 |
17 |
| 3m Innovative Properties Company | 17849 |
15 |
| Knauf Insulation SPRL | 173 |
13 |
| OCV Intellectual Capital, LLC | 192 |
13 |
| Knauf Insulation, Inc. | 189 |
12 |
| Saint-Gobain Adfors | 117 |
12 |
| Teijin Limited | 1235 |
7 |
| Nippon Electric Glass Co., Ltd. | 2447 |
6 |
| Rohm and Haas Company | 2906 |
5 |
| Asahi Fiber Glass Company, Limited | 50 |
5 |
| Hollingsworth & Vose Company | 290 |
5 |
| Kuraray Co., Ltd. | 3490 |
5 |
| Saint-Gobain Adfors Canada, Ltd. | 64 |
5 |
| Hokuetsu Corporation | 65 |
5 |
| Ibiden Co., Ltd. | 1735 |
4 |
| Other owners | 145 |