- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings
- E04B 2/14 - Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
Patent holdings for IPC class E04B 2/14
Total number of patents in this class: 61
10-year publication summary
|
14
|
7
|
8
|
11
|
10
|
5
|
5
|
4
|
4
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Anchor Wall Systems, Inc. | 227 |
6 |
| Keystone Retaining Wall Systems LLC | 228 |
5 |
| Oldcastle Architectural, Inc. | 23 |
5 |
| Hobi Endustriyel Urun Tasarim Uygulama Uretim Ithalat Ihracat Limited Sirketi | 3 |
3 |
| Blasch Precision Ceramics, Inc. | 36 |
2 |
| Concrete Products Group LLC | 20 |
2 |
| Versare Solutions, LLC | 44 |
2 |
| BD Energy Systems, LLC | 13 |
2 |
| Mortar Net of Ohio, LLC | 32 |
2 |
| The Trustees of Columbia University in the City of New York | 3440 |
1 |
| Apache Industrial Services, Inc. | 38 |
1 |
| AUS Group Alliance Pty Ltd | 9 |
1 |
| Blockaid Pty Ltd | 6 |
1 |
| CFI Foam, Inc. | 10 |
1 |
| Concrete Block Insulating Systems, Inc. | 5 |
1 |
| Developpement Construction Ecologique | 1 |
1 |
| Johnson Concrete Company | 5 |
1 |
| Modina B.V. | 2 |
1 |
| Redco NV | 11 |
1 |
| Simpson Strong-Tie Company, Inc. | 583 |
1 |
| Other owners | 21 |