Patent holdings for IPC class C09K 8/516

Total number of patents in this class: 771

10-year publication summary

42
54
74
102
52
64
44
18
20
16
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
13091
172
Halliburton Energy Services, Inc.
20879
88
Aramco Services Company
3955
65
Schlumberger Technology Corporation
10705
38
Schlumberger Canada Limited
7293
25
Schlumberger Technology B.v.
5166
23
Services Petroliers Schlumberger
5784
23
Baker Hughes Holdings LLC
3007
21
Schlumberger Holdings Limited
2831
19
Prad Research and Development Limited
2693
17
Lyondellbasell Advanced Polymers Inc.
102
11
Alfaisal University
44
10
M-I L.L.C.
812
8
Kuraray Co., Ltd.
3503
7
Southwest Petroleum University
467
7
CURTIS, Philip, Anthony
428
7
Baker Hughes Incorporated
5252
6
Baker Hughes Oilfield Operations, LLC
2297
6
Baker Hughes, a GE Company, LLC
2112
6
ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company
181
6
Other owners 206