- All sections
- B - Performing operationstransporting
- B28B - Shaping clay or other ceramic compositionsshaping slagshaping mixtures containing cementitious material, e.g. plaster
- B28B 19/00 - Machines or methods for applying the material to surfaces to form a permanent layer thereon
Patent holdings for IPC class B28B 19/00
Total number of patents in this class: 551
10-year publication summary
|
43
|
57
|
53
|
38
|
50
|
40
|
39
|
34
|
42
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 919 |
70 |
| Knauf Gips KG | 584 |
31 |
| Corning Incorporated | 10240 |
27 |
| CertainTeed Gypsum, Inc. | 200 |
20 |
| Saint-Gobain Placo | 215 |
13 |
| Yoshino Gypsum Co., Ltd. | 250 |
10 |
| Gold Bond Building Products, LLC | 192 |
10 |
| General Electric Company | 13829 |
8 |
| Saint-Gobain Placo SAS | 151 |
8 |
| NGK Insulators, Ltd. | 4920 |
7 |
| Georgia-Pacific Gypsum LLC | 219 |
7 |
| BASF SE | 20777 |
6 |
| Sika Technology AG | 2845 |
6 |
| Knauf Gips KG | 85 |
6 |
| Holcim Technology Ltd. | 974 |
5 |
| Tuscan Stoneworx USA, LLC | 11 |
5 |
| EnviroCast LLC | 11 |
5 |
| Certainteed Gypsum Operating Company, LLC | 17 |
5 |
| GCP Applied Technologies Inc. | 462 |
4 |
| KPS Global LLC | 60 |
4 |
| Other owners | 294 |