Patent holdings for IPC class C09K 8/86

Total number of patents in this class: 392

10-year publication summary

44
52
46
40
26
17
17
18
9
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
21296
63
Saudi Arabian Oil Company
14398
40
Chevron U.S.A. Inc.
4180
14
Baker Hughes Holdings LLC
3018
14
Aramco Services Company
4190
12
Schlumberger Technology Corporation
11981
11
Flotek Chemistry, LLC
115
10
Nouryon Chemicals International B.V.
650
9
Baker Hughes Incorporated
4865
8
BASF SE
21334
8
Akzo Nobel Chemicals International B.V.
411
8
M-I L.L.C.
721
8
Schlumberger Canada Limited
7621
7
Nissan Chemical America Corporation
64
7
Stepan Company
567
6
Dorf Ketal Chemicals FZE
196
6
Schlumberger Technology B.v.
5292
5
Services Petroliers Schlumberger
6029
5
Wilmar Trading Pte. Ltd.
117
5
ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company
184
5
Other owners 141