- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation 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: 311
10-year publication summary
|
34
|
41
|
48
|
41
|
50
|
42
|
42
|
31
|
23
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Anchor Wall Systems, Inc. | 209 |
5 |
| B.T. Innovation GmbH | 48 |
5 |
| Keystone Retaining Wall Systems LLC | 223 |
4 |
| Meadow Burke, LLC | 36 |
4 |
| Oldcastle Architectural, Inc. | 20 |
4 |
| Ruentex Engineering & Construction Co., Ltd. | 32 |
4 |
| DuPont Safety & Construction, Inc. | 687 |
4 |
| DDP Specialty Electronic Materials US, LLC | 755 |
4 |
| CPC AG | 9 |
3 |
| Hohmann & Barnard, Incorporated | 149 |
3 |
| Schul International Co., LLC | 82 |
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. | 26 |
3 |
| Lodestar Structures Inc. | 6 |
3 |
| Pace Building Technologies Inc. | 8 |
3 |
| Hilti Aktiengesellschaft | 3363 |
2 |
| Georgia-Pacific Gypsum LLC | 210 |
2 |
| Other owners | 243 |