- 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 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: 1163
10-year publication summary
53
|
79
|
103
|
102
|
105
|
103
|
109
|
117
|
109
|
40
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20165 |
31 |
United States Gypsum Company | 1019 |
31 |
Sika Technology AG | 2650 |
28 |
Construction Research & Technology GmbH | 640 |
16 |
Saudi Arabian Oil Company | 11322 |
16 |
Imertech SAS | 224 |
14 |
Schlumberger Technology Corporation | 9690 |
13 |
Schlumberger Canada Limited | 6913 |
13 |
Hilti Aktiengesellschaft | 3227 |
13 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
12 |
En-Tech Corporation | 13 |
12 |
Schlumberger Technology B.v. | 4951 |
11 |
Services Petroliers Schlumberger | 5426 |
11 |
Materr'up | 13 |
11 |
Dow Global Technologies LLC | 10147 |
10 |
ITT Italia S.r.l. | 137 |
10 |
BASF SE | 19740 |
9 |
Solidia Technologies, Inc. | 113 |
9 |
Synthos S.A. | 45 |
9 |
The Catholic University of America | 96 |
8 |
Other owners | 876 |