- 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: 1651
10-year publication summary
|
117
|
147
|
95
|
123
|
137
|
106
|
138
|
139
|
140
|
75
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 898 |
204 |
| Knauf Gips KG | 602 |
100 |
| Sika Technology AG | 2867 |
75 |
| Saint-Gobain Placo | 226 |
61 |
| Saint-Gobain Placo SAS | 153 |
59 |
| Gold Bond Building Products, LLC | 195 |
56 |
| Georgia-Pacific Gypsum LLC | 219 |
53 |
| Yoshino Gypsum Co., Ltd. | 250 |
50 |
| BASF SE | 20933 |
45 |
| CertainTeed Gypsum, Inc. | 207 |
40 |
| Construction Research & Technology GmbH | 641 |
30 |
| Halliburton Energy Services, Inc. | 20891 |
26 |
| Knauf Gips KG | 83 |
23 |
| Beijing New Building Materials Public Limited Company | 97 |
23 |
| Dow Global Technologies LLC | 10363 |
22 |
| BPB Limited | 47 |
18 |
| Saint-Gobain Weber | 172 |
16 |
| Holcim Technology Ltd. | 989 |
15 |
| China National Building Materials Technological Innovation & Research Institute Limited Company | 66 |
15 |
| Hilti Aktiengesellschaft | 3495 |
14 |
| Other owners | 706 |