- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 22/16 - Acids or salts thereof containing phosphorus in the anion, e.g. phosphates
Patent holdings for IPC class C04B 22/16
Total number of patents in this class: 196
10-year publication summary
|
10
|
17
|
13
|
19
|
12
|
11
|
20
|
20
|
18
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20937 |
21 |
| United States Gypsum Company | 909 |
16 |
| Hilti Aktiengesellschaft | 3503 |
10 |
| Mitek Holdings, Inc. | 251 |
9 |
| Gold Bond Building Products, LLC | 194 |
9 |
| Knauf Gips KG | 604 |
8 |
| Georgia-Pacific Gypsum LLC | 217 |
4 |
| Jet Products, LLC | 4 |
4 |
| Yoshino Gypsum Co., Ltd. | 252 |
4 |
| CURTIS, Philip, Anthony | 414 |
4 |
| Saint-Gobain Placo | 229 |
3 |
| Saudi Arabian Oil Company | 13316 |
3 |
| Mgo Systems Ltd. | 11 |
3 |
| Schlumberger Canada Limited | 7357 |
2 |
| Kao Corporation | 4979 |
2 |
| The Catholic University of America | 99 |
2 |
| Construction Research & Technology GmbH | 641 |
2 |
| The Foundation for the Promotion of Industrial Science | 41 |
2 |
| National University Corporation Yokohama National University | 335 |
2 |
| Shenzhen University | 1650 |
2 |
| Other owners | 84 |