- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 1/04 - Structures consisting primarily of load-supporting, block-shaped or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
Patent holdings for IPC class E04B 1/04
Total number of patents in this class: 320
10-year publication summary
|
34
|
41
|
48
|
41
|
50
|
42
|
42
|
37
|
24
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DuPont Safety & Construction, Inc. | 678 |
9 |
| DDP Specialty Electronic Materials US, LLC | 801 |
9 |
| Anchor Wall Systems, Inc. | 190 |
5 |
| B.T. Innovation GmbH | 47 |
5 |
| CPC AG | 10 |
4 |
| Keystone Retaining Wall Systems LLC | 219 |
4 |
| Meadow Burke, LLC | 37 |
4 |
| Oldcastle Architectural, Inc. | 19 |
4 |
| Ruentex Engineering & Construction Co., Ltd. | 32 |
4 |
| Hohmann & Barnard, Incorporated | 137 |
3 |
| Schul International Co., LLC | 81 |
3 |
| Hickory Design Pty Ltd | 14 |
3 |
| Spie Batignolles Genie Civil | 3 |
3 |
| Hagane Pty Ltd | 3 |
3 |
| KCL Consultants Pte Ltd | 3 |
3 |
| Global Bamboo Technologies, Inc. | 31 |
3 |
| Lodestar Structures Inc. | 9 |
3 |
| Pace Building Technologies Inc. | 7 |
3 |
| Hilti Aktiengesellschaft | 3489 |
2 |
| Georgia-Pacific Gypsum LLC | 219 |
2 |
| Other owners | 241 |