- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings
- E04B 1/92 - Protection against other undesired influences or dangers
Patent holdings for IPC class E04B 1/92
Total number of patents in this class: 279
10-year publication summary
|
38
|
36
|
35
|
35
|
24
|
18
|
29
|
18
|
24
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xyleco, Inc. | 191 |
11 |
| State Farm Mutual Automobile Insurance Company | 2928 |
6 |
| TDK Corporation | 6539 |
5 |
| Mitsubishi Cable Industries, Ltd. | 162 |
5 |
| Tokyu Construction Co., Ltd. | 7 |
5 |
| Armstrong World Industries, Inc. | 349 |
4 |
| Yoshino Gypsum Co., Ltd. | 238 |
4 |
| Smart Vent Products LLC | 19 |
4 |
| President and Fellows of Harvard College | 5913 |
3 |
| Sentry Protection LLC | 17 |
3 |
| Southern Comfort Shelters, L.L.C. | 5 |
3 |
| Spie Batignolles Genie Civil | 3 |
3 |
| Bmic LLC | 683 |
3 |
| Jaxon Engineering and Maintenance,inc | 3 |
3 |
| 3m Innovative Properties Company | 17957 |
2 |
| Raytheon Company | 8444 |
2 |
| Ctrap AB | 3 |
2 |
| Defenshield, Inc. | 24 |
2 |
| ILC Dover LP | 31 |
2 |
| Industry-university Cooperation Foundation Hanyang University Erica Campus | 555 |
2 |
| Other owners | 205 |