- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 7/36 - Manufacture of hydraulic cements in general
Patent holdings for IPC class C04B 7/36
Total number of patents in this class: 336
10-year publication summary
16
|
17
|
19
|
26
|
21
|
12
|
23
|
27
|
39
|
22
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ThyssenKrupp Industrial Solutions AG | 729 |
20 |
ThyssenKrupp AG | 3086 |
18 |
FLSmidth A/S | 923 |
15 |
ExxonMobil Research And Engineering Company | 2830 |
14 |
Holcim Technology Ltd. | 868 |
11 |
Arelac, Inc. | 101 |
9 |
KHD Humboldt Wedag GmbH | 192 |
8 |
Italcementi S.p.A. | 83 |
6 |
Taiheiyo Cement Corporation | 237 |
6 |
Sudbayerisches Portland-zementwerk Gebr. Wiesbock & Co. GmbH | 13 |
6 |
Halliburton Energy Services, Inc. | 20165 |
5 |
ELEX CemCat AG | 6 |
5 |
The Regents of the University of California | 18943 |
4 |
Arizona Board of Regents on behalf of Arizona State University | 2226 |
4 |
CalPortland Company | 47 |
4 |
GCP Applied Technologies Inc. | 451 |
4 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
4 |
Roman Cement, LLC | 45 |
4 |
Saudi Arabian Oil Company | 11322 |
4 |
SCHEUCH GmbH | 24 |
4 |
Other owners | 181 |