- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/42 - Walls having cavities between, as well as in, the elementsWalls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities
Patent holdings for IPC class E04B 2/42
Total number of patents in this class: 50
10-year publication summary
|
13
|
9
|
8
|
5
|
8
|
7
|
3
|
3
|
1
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innovative Building Technologies, LLC | 68 |
3 |
| Convergent Market Research, Inc. | 9 |
2 |
| Beijing New Building Materials Public Limited Company | 96 |
2 |
| Fhecor Ingenieros Consultores, S.A. | 6 |
2 |
| Schofield Technologies, Inc. | 21 |
2 |
| BASF SE | 20912 |
1 |
| Ancra International LLC | 117 |
1 |
| Blockaid Pty Ltd | 5 |
1 |
| Cable Bridge Enterprises Limited | 3 |
1 |
| Evolve Manufacturing, LLC | 3 |
1 |
| Fastbrick IP Pty Ltd | 112 |
1 |
| Hohmann & Barnard, Incorporated | 136 |
1 |
| Metten Stein + Design GmbH & Co. KG | 47 |
1 |
| Mortar Net USA, Ltd., DBA Mortar Net Solutions | 6 |
1 |
| Onx, Inc. | 30 |
1 |
| Sika Technology AG | 2855 |
1 |
| Techniwood International | 3 |
1 |
| Versare Solutions, LLC | 44 |
1 |
| Innovation Calumet LLC | 6 |
1 |
| Barbosa Moreira Lima Neto, Jose Henrique | 1 |
1 |
| Other owners | 24 |