Patent holdings for IPC class C09K 8/524

Total number of patents in this class: 903

10-year publication summary

88
96
89
80
81
84
61
64
33
24
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
20749
81
Saudi Arabian Oil Company
12858
39
Ecolab USA Inc.
5451
36
Championx LLC
489
36
M-I L.L.C.
815
34
Championx USA Inc.
185
34
Baker Hughes Holdings LLC
3007
28
BASF SE
20777
20
Baker Hughes Oilfield Operations, LLC
2269
20
Baker Hughes Incorporated
5289
17
Schlumberger Canada Limited
7235
16
Schlumberger Technology Corporation
10627
14
Clariant International Ltd.
933
13
Baker Hughes, a GE Company, LLC
2115
12
Locus Solutions IPCo, LLC
314
12
Aramco Services Company
3910
11
Cameron International Corporation
1329
10
Services Petroliers Schlumberger
5756
10
Schlumberger Holdings Limited
2841
9
Prad Research and Development Limited
2694
9
Other owners 442