- Sections
- C - Chimie; métallurgie
- C04B - Chaux; magnésie; scories; ciments; leurs compositions, p.ex. mortiers, béton ou matériaux de construction similaires; pierre artificielle; céramiques; réfractaires; traitement de la pierre naturelle
- C04B 18/08 - Cendres volantes
Détention brevets de la classe C04B 18/08
Brevets de cette classe: 499
Historique des publications depuis 10 ans
32
|
21
|
43
|
43
|
48
|
48
|
51
|
48
|
42
|
13
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
Proprétaire |
Total
|
Cette classe
|
---|---|---|
Tokuyama Corporation | 1248 |
19 |
Halliburton Energy Services, Inc. | 20165 |
17 |
CR Minerals Company, LLC | 22 |
12 |
Taiheiyo Cement Corporation | 237 |
12 |
The Catholic University of America | 96 |
8 |
King Fahd University of Petroleum and Minerals | 779 |
8 |
Saudi Arabian Oil Company | 11322 |
8 |
EM Resources LLC | 45 |
8 |
Roman Cement, LLC | 45 |
6 |
Sumitomo Osaka Cement Co., Ltd. | 783 |
6 |
Vecor IP Holdings Limited | 29 |
6 |
Carbon Upcycling Technologies Inc. | 18 |
6 |
Mitsui Engineering & Shipbuilding Co., Ltd. | 331 |
5 |
Obayashi Corporation | 55 |
5 |
Sika Technology AG | 2650 |
5 |
United States Gypsum Company | 1019 |
5 |
Aramco Services Company | 3504 |
4 |
The Arizona Board of Regents on Behalf of the University of Arizona | 1906 |
4 |
Ash Improvement Technology Inc. | 7 |
4 |
Council of Scientific & Industrial Research | 1397 |
4 |
Autres propriétaires | 347 |