- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping 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: 536
10-year publication summary
|
55
|
43
|
57
|
53
|
38
|
49
|
37
|
36
|
31
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 1019 |
75 |
| Corning Incorporated | 9932 |
27 |
| Knauf Gips KG | 534 |
25 |
| CertainTeed Gypsum, Inc. | 180 |
19 |
| Saint-Gobain Placo | 176 |
10 |
| General Electric Company | 18133 |
8 |
| Saint-Gobain Placo SAS | 139 |
8 |
| Yoshino Gypsum Co., Ltd. | 224 |
8 |
| Gold Bond Building Products, LLC | 162 |
8 |
| NGK Insulators, Ltd. | 4589 |
7 |
| Georgia-Pacific Gypsum LLC | 204 |
7 |
| Holcim Technology Ltd. | 868 |
6 |
| BASF SE | 19740 |
5 |
| Sika Technology AG | 2650 |
5 |
| Certainteed Gypsum Operating Company, LLC | 18 |
5 |
| KPS Global LLC | 50 |
4 |
| LMK Technologies, LLC | 114 |
4 |
| Pacific Woodtech Corporation | 41 |
4 |
| Progress Maschinen & Automation AG | 29 |
4 |
| EnviroCast LLC | 11 |
4 |
| Other owners | 293 |