- All sections
- B - Performing operations; transporting
- 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: 290
10-year publication summary
|
20
|
22
|
34
|
33
|
38
|
29
|
31
|
23
|
17
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2650 |
20 |
| CertainTeed Gypsum, Inc. | 180 |
19 |
| Gold Bond Building Products, LLC | 162 |
13 |
| United States Gypsum Company | 1019 |
12 |
| Georgia-Pacific Gypsum LLC | 204 |
8 |
| Composecure, LLC | 129 |
7 |
| DDP Specialty Electronic Materials US, LLC | 442 |
7 |
| Cortex Composites, Inc. | 18 |
6 |
| Flooring Industries Limited, SARL | 281 |
6 |
| Keiwa Inc. | 150 |
6 |
| Saint-Gobain Placo SAS | 139 |
6 |
| BASF SE | 19740 |
4 |
| PPG Industries Ohio, Inc. | 3430 |
4 |
| GCP Applied Technologies Inc. | 451 |
4 |
| Saudi Arabian Oil Company | 11322 |
4 |
| William Marsh Rice University | 937 |
4 |
| Westlake Royal Building Products Inc. | 227 |
4 |
| Boral IP Holdings (Australia) PTY Limited | 33 |
3 |
| Champion Link International Corporation | 64 |
3 |
| The Governing Council of The University of Toronto, | 1361 |
3 |
| Other owners | 147 |