- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 28/00 - 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
Patent holdings for IPC class C04B 28/00
Total number of patents in this class: 1317
10-year publication summary
|
68
|
90
|
84
|
97
|
93
|
97
|
105
|
103
|
121
|
79
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20944 |
32 |
| Sika Technology AG | 2875 |
29 |
| United States Gypsum Company | 907 |
25 |
| Schlumberger Technology Corporation | 10868 |
21 |
| Schlumberger Canada Limited | 7363 |
18 |
| Construction Research & Technology GmbH | 641 |
17 |
| Schlumberger Technology B.v. | 5187 |
16 |
| Services Petroliers Schlumberger | 5827 |
16 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10941 |
14 |
| Saudi Arabian Oil Company | 13349 |
14 |
| Imertech SAS | 228 |
14 |
| Hilti Aktiengesellschaft | 3506 |
12 |
| En-Tech Corporation | 13 |
12 |
| Materr'up | 17 |
12 |
| Synthos S.A. | 51 |
11 |
| Dow Global Technologies LLC | 10402 |
10 |
| ITT Italia S.r.l. | 153 |
10 |
| Shenzhen University | 1650 |
10 |
| BASF SE | 20979 |
9 |
| The Catholic University of America | 99 |
8 |
| Other owners | 1007 |