Patent holdings for IPC class C09K 8/60

Total number of patents in this class: 1845

10-year publication summary

143
137
107
108
116
115
71
76
83
41
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Halliburton Energy Services, Inc.
20977
315
Saudi Arabian Oil Company
13428
95
Schlumberger Canada Limited
7373
66
Schlumberger Technology B.v.
5189
66
Services Petroliers Schlumberger
5835
66
Schlumberger Technology Corporation
10914
64
Chevron U.S.A. Inc.
4004
51
Baker Hughes Holdings LLC
2999
46
Flotek Chemistry, LLC
116
45
Schlumberger Holdings Limited
2800
43
Prad Research and Development Limited
2690
37
Baker Hughes Incorporated
5243
34
ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company
185
27
Aramco Services Company
4039
23
Dorf Ketal Chemicals FZE
199
21
CURTIS, Philip, Anthony
405
20
Championx LLC
532
18
BASF SE
21039
17
Akzo Nobel Chemicals International B.V.
435
15
Ecolab USA Inc.
5538
15
Other owners 761