- 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 13/04 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance
Patent holdings for IPC class B32B 13/04
Total number of patents in this class: 355
10-year publication summary
|
26
|
34
|
42
|
43
|
27
|
38
|
28
|
22
|
34
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 898 |
32 |
| CertainTeed Gypsum, Inc. | 207 |
26 |
| Gold Bond Building Products, LLC | 195 |
17 |
| Composecure, LLC | 135 |
8 |
| Yoshino Gypsum Co., Ltd. | 250 |
7 |
| James Hardie Technology Limited | 459 |
6 |
| Knauf Gips KG | 602 |
6 |
| Sika Technology AG | 2867 |
6 |
| Mitek Holdings, Inc. | 251 |
5 |
| Champion Link International Corporation | 80 |
4 |
| The Intellectual Gorilla GmbH | 29 |
4 |
| 3m Innovative Properties Company | 17833 |
3 |
| BASF SE | 20933 |
3 |
| Holcim Technology Ltd. | 989 |
3 |
| Keiwa Inc. | 182 |
3 |
| NV Bekaert SA | 747 |
3 |
| Progressive Foam Technologies, Inc. | 69 |
3 |
| Saint-Gobain Placo | 226 |
3 |
| Swiss Krono Tec AG | 489 |
3 |
| The Boeing Company | 20043 |
2 |
| Other owners | 208 |