Patent holdings for IPC class C04B 28/02

Total number of patents in this class: 3335

10-year publication summary

203
238
294
265
254
184
237
232
179
117
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
20901
235
Sika Technology AG
2870
188
Saudi Arabian Oil Company
13185
116
Construction Research & Technology GmbH
641
109
Denka Company Limited
2580
80
Kao Corporation
4962
54
BASF SE
20915
51
Wacker Chemie AG
2106
49
Holcim Technology Ltd.
991
42
Schlumberger Technology Corporation
10727
38
Dow Global Technologies LLC
10332
38
Aramco Services Company
3976
37
Lafarge
128
37
GCP Applied Technologies Inc.
468
34
Nippon Shokubai Co., Ltd.
1507
34
Chryso
126
29
Schlumberger Canada Limited
7296
26
Schlumberger Technology B.v.
5165
25
Services Petroliers Schlumberger
5787
25
CURTIS, Philip, Anthony
425
25
Other owners 2063