- All sections
- C - Chemistrymetallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag woolsupplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 37/022 - Manufacture of glass fibres or filaments by drawing or extruding from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres
Patent holdings for IPC class C03B 37/022
Total number of patents in this class: 55
10-year publication summary
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4
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3
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2
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3
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3
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2
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5
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8
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5
|
4
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 944 |
6 |
| Nitto Boseki Co., Ltd. | 293 |
4 |
| Taishan Fiberglass Inc. | 16 |
3 |
| Corning Incorporated | 10382 |
2 |
| Nippon Telegraph and Telephone Corporation | 16683 |
2 |
| Kingfa SCI & Tech Co. Ltd. | 655 |
2 |
| Nippon Electric Glass Co., Ltd. | 2477 |
2 |
| OFS Fitel, LLC | 566 |
2 |
| Owens Corning Intellectual Capital, LLC | 1623 |
2 |
| Saint-Gobain Isover | 618 |
2 |
| Rockwool A/S | 801 |
2 |
| Guangdong Kingfa Technology Co., Ltd. | 21 |
2 |
| International Business Machines Corporation | 61738 |
1 |
| Electronics and Telecommunications Research Institute | 9460 |
1 |
| Huawei Technologies Co., Ltd. | 115366 |
1 |
| Massachusetts Institute of Technology | 10124 |
1 |
| Lawrence Livermore National Security, LLC | 1938 |
1 |
| Armstrong World Industries, Inc. | 349 |
1 |
| Coolbrook Oy | 68 |
1 |
| Corning Optical Communications LLC | 1305 |
1 |
| Other owners | 16 |