- 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: 563
10-year publication summary
|
27
|
45
|
46
|
28
|
33
|
31
|
32
|
24
|
39
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 905 |
68 |
| Knauf Gips KG | 610 |
35 |
| Corning Incorporated | 10336 |
27 |
| CertainTeed Gypsum, Inc. | 212 |
20 |
| Saint-Gobain Placo | 235 |
16 |
| Gold Bond Building Products, LLC | 194 |
11 |
| Yoshino Gypsum Co., Ltd. | 254 |
10 |
| Saint-Gobain Placo SAS | 155 |
9 |
| General Electric Company | 13856 |
8 |
| NGK Insulators, Ltd. | 5115 |
7 |
| Georgia-Pacific Gypsum LLC | 215 |
7 |
| BASF SE | 21036 |
6 |
| Sika Technology AG | 2885 |
6 |
| Knauf Gips KG | 80 |
6 |
| Tuscan Stoneworx USA, LLC | 11 |
5 |
| EnviroCast LLC | 11 |
5 |
| Certainteed Gypsum Operating Company, LLC | 16 |
5 |
| GCP Applied Technologies Inc. | 470 |
4 |
| Holcim Technology Ltd. | 724 |
4 |
| KPS Global LLC | 63 |
4 |
| Other owners | 300 |