- All sections
- B - Performing operationstransporting
- B32B - Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
- B32B 13/02 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles embedded in it or bonded with it
Patent holdings for IPC class B32B 13/02
Total number of patents in this class: 336
10-year publication summary
|
35
|
25
|
28
|
33
|
22
|
30
|
19
|
27
|
37
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 921 |
36 |
| Georgia-Pacific Gypsum LLC | 218 |
19 |
| Gold Bond Building Products, LLC | 192 |
14 |
| CertainTeed Gypsum, Inc. | 200 |
13 |
| Knauf Gips KG | 583 |
12 |
| James Hardie Technology Limited | 458 |
9 |
| DDP Specialty Electronic Materials US, LLC | 802 |
8 |
| Cortex Composites, Inc. | 15 |
7 |
| Saint-Gobain Placo SAS | 151 |
7 |
| Saint-Gobain Placo | 214 |
6 |
| Seaman Corporation | 54 |
6 |
| Mitek Holdings, Inc. | 248 |
5 |
| Armstrong World Industries, Inc. | 350 |
4 |
| Valinge Innovation AB | 966 |
4 |
| Knauf Gips KG | 85 |
4 |
| 3m Innovative Properties Company | 17842 |
3 |
| Champion Link International Corporation | 79 |
3 |
| The Intellectual Gorilla GmbH | 28 |
3 |
| Owens Corning Intellectual Capital, LLC | 1597 |
3 |
| Sika Technology AG | 2843 |
3 |
| Other owners | 167 |