- 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: 351
10-year publication summary
|
41
|
48
|
41
|
50
|
42
|
42
|
37
|
26
|
38
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DuPont Safety & Construction, Inc. | 680 |
9 |
| DDP Specialty Electronic Materials US, LLC | 843 |
9 |
| Onx, Inc. | 32 |
8 |
| Anchor Wall Systems, Inc. | 131 |
5 |
| CPC AG | 13 |
5 |
| Hilti Aktiengesellschaft | 3675 |
4 |
| B.T. Innovation GmbH | 46 |
4 |
| Keystone Retaining Wall Systems LLC | 194 |
4 |
| Meadow Burke, LLC | 35 |
4 |
| Oldcastle Architectural, Inc. | 18 |
4 |
| Ruentex Engineering & Construction Co., Ltd. | 34 |
4 |
| Lodestar Structures Inc. | 11 |
4 |
| A.H. Beck Foundation Company, Inc. | 5 |
3 |
| Hohmann & Barnard, Incorporated | 127 |
3 |
| Schul International Co., LLC | 83 |
3 |
| American University of Sharjah | 16 |
3 |
| Hickory Design Pty Ltd | 14 |
3 |
| Spie Batignolles Genie Civil | 3 |
3 |
| Hagane Pty Ltd | 3 |
3 |
| KCL Consultants Pte Ltd | 3 |
3 |
| Other owners | 263 |