- 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: 552
10-year publication summary
|
30
|
32
|
46
|
46
|
42
|
24
|
38
|
36
|
41
|
37
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saint-Gobain Isover | 644 |
86 |
| Owens Corning Intellectual Capital, LLC | 1629 |
76 |
| Johns Manville | 952 |
47 |
| Rockwool A/S | 797 |
45 |
| ROCKWOOL International A/S | 299 |
20 |
| The Procter & Gamble Company | 21996 |
18 |
| 3m Innovative Properties Company | 17762 |
16 |
| Knauf Insulation SPRL | 174 |
13 |
| Saint-Gobain Adfors | 120 |
13 |
| Knauf Insulation, Inc. | 189 |
12 |
| OCV Intellectual Capital, LLC | 181 |
12 |
| Teijin Limited | 1260 |
7 |
| Nippon Electric Glass Co., Ltd. | 2474 |
6 |
| Hokuetsu Corporation | 65 |
6 |
| Rohm and Haas Company | 2913 |
5 |
| Asahi Fiber Glass Company, Limited | 48 |
5 |
| Hollingsworth & Vose Company | 296 |
5 |
| Kuraray Co., Ltd. | 3524 |
5 |
| Saint-Gobain Adfors Canada, Ltd. | 65 |
5 |
| Ibiden Co., Ltd. | 1720 |
4 |
| Other owners | 146 |