- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 9/02 - CeilingsConstruction of ceilings, e.g. false ceilingsCeiling construction with regard to insulation having means for ventilation or vapour discharge
Patent holdings for IPC class E04B 9/02
Total number of patents in this class: 86
10-year publication summary
|
8
|
9
|
15
|
10
|
9
|
13
|
10
|
3
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sld Technology, Inc. | 34 |
5 |
| Saint-Gobain Ecophon AB | 184 |
4 |
| Go Fan Yourself, LLC | 54 |
4 |
| CertainTeed Ceilings Corporation | 110 |
3 |
| Orangebox Ltd | 78 |
3 |
| Oregon Health & Science University | 754 |
3 |
| Price Industries Limited | 84 |
3 |
| AFI Licensing LLC | 238 |
2 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2440 |
2 |
| Porta-Fab Corporation | 13 |
2 |
| Valco Industries, Inc. | 20 |
2 |
| Overcast Innovations LLC | 30 |
2 |
| Bmic LLC | 805 |
2 |
| Cisco Technology, Inc. | 22493 |
1 |
| Mitsubishi Electric Corporation | 48018 |
1 |
| California Institute of Technology | 4040 |
1 |
| Airtex Manufacturing Partnership | 18 |
1 |
| ArcelorMittal Dudelange S.A. | 5 |
1 |
| BAM Deutschland AG | 5 |
1 |
| Brentwood Industries, Inc. | 111 |
1 |
| Other owners | 42 |