- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Patent holdings for IPC class C04B 28/14
Total number of patents in this class: 1776
10-year publication summary
|
147
|
95
|
123
|
137
|
106
|
138
|
141
|
149
|
141
|
85
|
| 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 |
210 |
| Knauf Gips KG | 643 |
116 |
| Sika Technology AG | 3006 |
84 |
| Saint-Gobain Placo | 275 |
80 |
| Gold Bond Building Products, LLC | 194 |
67 |
| Saint-Gobain Placo SAS | 164 |
61 |
| Georgia-Pacific Gypsum LLC | 224 |
54 |
| Yoshino Gypsum Co., Ltd. | 265 |
50 |
| CertainTeed Gypsum, Inc. | 222 |
49 |
| BASF SE | 21308 |
48 |
| Construction Research & Technology GmbH | 600 |
32 |
| Halliburton Energy Services, Inc. | 21320 |
26 |
| Beijing New Building Materials Public Limited Company | 107 |
25 |
| Dow Global Technologies LLC | 10960 |
22 |
| Kao Corporation | 5076 |
17 |
| BPB Limited | 43 |
17 |
| Saint-Gobain Weber | 175 |
16 |
| China National Building Materials Technological Innovation & Research Institute Limited Company | 75 |
16 |
| Hilti Aktiengesellschaft | 3675 |
14 |
| Knauf Gips KG | 69 |
14 |
| Other owners | 758 |