- 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: 272
10-year publication summary
35
|
38
|
36
|
35
|
35
|
24
|
18
|
29
|
18
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Xyleco, Inc. | 217 |
12 |
TDK Corporation | 6306 |
5 |
Mitsubishi Cable Industries, Ltd. | 175 |
5 |
State Farm Mutual Automobile Insurance Company | 2560 |
5 |
Tokyu Construction Co., Ltd. | 7 |
5 |
Yoshino Gypsum Co., Ltd. | 224 |
4 |
Smart Vent Products LLC | 19 |
4 |
President and Fellows of Harvard College | 5792 |
3 |
Armstrong World Industries, Inc. | 347 |
3 |
Kajima Corporation | 87 |
3 |
Sentry Protection LLC | 17 |
3 |
Southern Comfort Shelters, L.L.C. | 5 |
3 |
Spie Batignolles Genie Civil | 3 |
3 |
3m Innovative Properties Company | 18406 |
2 |
Raytheon Company | 8535 |
2 |
Central Glass Company, Limited | 1244 |
2 |
Ctrap AB | 3 |
2 |
Defenshield, Inc. | 23 |
2 |
ETS-Lindgren Euroshield Oy | 2 |
2 |
ILC Dover LP | 25 |
2 |
Other owners | 200 |