- 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 13/12 - 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 of synthetic resin
Patent holdings for IPC class B32B 13/12
Total number of patents in this class: 323
10-year publication summary
|
34
|
33
|
38
|
30
|
31
|
25
|
20
|
22
|
16
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 3015 |
20 |
| CertainTeed Gypsum, Inc. | 222 |
19 |
| Gold Bond Building Products, LLC | 194 |
13 |
| United States Gypsum Company | 938 |
12 |
| DDP Specialty Electronic Materials US, LLC | 845 |
9 |
| Georgia-Pacific Gypsum LLC | 226 |
8 |
| Composecure, LLC | 141 |
8 |
| Cortex Composites, Inc. | 15 |
6 |
| Keiwa Inc. | 203 |
6 |
| Saint-Gobain Placo SAS | 165 |
6 |
| UNILIN, besloten vennootschap | 995 |
6 |
| Valinge Innovation AB | 1033 |
5 |
| Hydroblok, Inc | 39 |
5 |
| BASF SE | 21306 |
4 |
| Champion Link International Corporation | 87 |
4 |
| GCP Applied Technologies Inc. | 472 |
4 |
| Saudi Arabian Oil Company | 14305 |
4 |
| William Marsh Rice University | 1078 |
4 |
| Westlake Royal Building Products Inc. | 208 |
4 |
| PPG Industries Ohio, Inc. | 3324 |
3 |
| Other owners | 173 |