- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/16 - 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 using elements having specially designed means for stabilising the position
Patent holdings for IPC class E04B 2/16
Total number of patents in this class: 56
10-year publication summary
|
10
|
6
|
11
|
11
|
4
|
5
|
4
|
4
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Blasch Precision Ceramics, Inc. | 40 |
10 |
| Cetres Holdings, LLC | 106 |
5 |
| 3B Construction Solutions, Inc. | 4 |
2 |
| Hohmann & Barnard, Incorporated | 139 |
2 |
| Keystone Retaining Wall Systems LLC | 218 |
2 |
| Wyw Block AG | 10 |
2 |
| Leiqo B.V. | 3 |
2 |
| Thermal Wall Technologies, LLC | 4 |
2 |
| DK Gevels B.V. | 4 |
2 |
| Cementos Argos S.A. | 35 |
1 |
| Concrete Products Group LLC | 19 |
1 |
| DAC S.r.l. | 12 |
1 |
| Glentrevor Pty Ltd | 1 |
1 |
| Knauf Gips KG | 583 |
1 |
| Lock-Block Ltd. | 31 |
1 |
| Renco World Corporation | 15 |
1 |
| Sa.m.e. S.r.l. | 4 |
1 |
| Sea Box, Inc. | 16 |
1 |
| Tiger Profiles and Insulation LLC | 5 |
1 |
| SIC S.p.A | 4 |
1 |
| Other owners | 16 |