Patent holdings for IPC class C09K 8/60

Total number of patents in this class: 1811

10-year publication summary

118
153
152
120
126
129
119
74
76
25
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
329
Saudi Arabian Oil Company
11322
83
Schlumberger Canada Limited
6913
73
Schlumberger Technology B.v.
4951
72
Services Petroliers Schlumberger
5426
72
Schlumberger Technology Corporation
9690
63
Schlumberger Holdings Limited
2947
50
Baker Hughes Holdings LLC
3060
49
Chevron U.S.A. Inc.
3774
48
Flotek Chemistry, LLC
120
46
Baker Hughes Incorporated
5689
37
Prad Research and Development Limited
2696
37
CURTIS, Philip, Anthony
497
25
Aramco Services Company
3504
23
ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company
211
23
Championx USA Inc.
250
19
BASF SE
19740
18
3m Innovative Properties Company
18406
15
Akzo Nobel Chemicals International B.V.
520
15
Ecolab USA Inc.
5190
15
Other owners 699