- 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: 379
10-year publication summary
|
35
|
42
|
43
|
27
|
38
|
29
|
23
|
36
|
37
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 932 |
29 |
| CertainTeed Gypsum, Inc. | 222 |
26 |
| Gold Bond Building Products, LLC | 194 |
20 |
| Composecure, LLC | 141 |
8 |
| Sika Technology AG | 3006 |
8 |
| Knauf Gips KG | 643 |
7 |
| Yoshino Gypsum Co., Ltd. | 265 |
7 |
| Hydroblok, Inc | 39 |
7 |
| James Hardie Technology Limited | 459 |
6 |
| Champion Link International Corporation | 87 |
4 |
| The Intellectual Gorilla GmbH | 29 |
4 |
| Keiwa Inc. | 202 |
4 |
| Saint-Gobain Placo | 275 |
4 |
| Triton Mgo Products, LLC | 21 |
4 |
| BASF SE | 21308 |
3 |
| Columbia Insurance Company | 1454 |
3 |
| Georgia-Pacific Gypsum LLC | 224 |
3 |
| enclos Corp. | 17 |
3 |
| NV Bekaert SA | 725 |
3 |
| Progressive Foam Technologies, Inc. | 70 |
3 |
| Other owners | 223 |