- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/02 - Walls, e.g. partitions, for buildingsWall construction with regard to insulationConnections specially adapted to walls built-up from layers of building elements
Patent holdings for IPC class E04B 2/02
Total number of patents in this class: 664
10-year publication summary
|
73
|
95
|
73
|
62
|
66
|
54
|
62
|
62
|
57
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Anchor Wall Systems, Inc. | 129 |
23 |
| Les Materiaux de Construction Oldcastle Canada Inc. | 25 |
12 |
| Pavestone, LLC | 79 |
12 |
| Keystone Retaining Wall Systems LLC | 188 |
11 |
| DuPont Safety & Construction, Inc. | 681 |
9 |
| Johns Manville | 918 |
8 |
| Fastbrick IP Pty Ltd | 119 |
7 |
| Tensar International Corporation | 137 |
6 |
| Advanced Architectural Products, LLC | 78 |
5 |
| Asahi Kasei Homes Corporation | 24 |
5 |
| NV Bekaert SA | 726 |
5 |
| Oldcastle Architectural, Inc. | 18 |
5 |
| Renco World Corporation | 15 |
5 |
| Cast Stonescapes, LLC | 7 |
5 |
| Covestro LLC | 617 |
4 |
| UNILIN, besloten vennootschap | 1010 |
4 |
| DDP Specialty Electronic Materials US, LLC | 848 |
4 |
| Anenda Systems Inc. | 23 |
3 |
| Convergent Market Research, Inc. | 9 |
3 |
| Hengestone Holdings, Inc. | 81 |
3 |
| Other owners | 525 |