- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/50 - 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 using elements having a general shape differing from that of a parallelepiped
Patent holdings for IPC class E04B 2/50
Total number of patents in this class: 11
10-year publication summary
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3
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1
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2
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4
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3
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0
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0
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2
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2
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Keystone Retaining Wall Systems LLC | 218 |
2 |
| Battelle Savannah River Alliance, LLC | 217 |
2 |
| Segi Synthetic Environment Co., Ltd. | 2 |
1 |
| United States Department of Energy | 226 |
1 |
| Westblock Systems, Inc. | 40 |
1 |
| Anchor Wall Systems Limited | 15 |
1 |
| Fsn, LLC | 2 |
1 |
| Iso-air Investments Pty Ltd | 1 |
1 |
| Red Point Spółka z ograniczoną odpowiedzialnością | 2 |
1 |
| Other owners | 0 |