- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
Patent holdings for IPC class C09K 8/68
Total number of patents in this class: 2387
10-year publication summary
|
186
|
266
|
222
|
219
|
198
|
175
|
137
|
103
|
75
|
21
|
| 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 |
476 |
| Saudi Arabian Oil Company | 11322 |
128 |
| Baker Hughes Holdings LLC | 3060 |
84 |
| Schlumberger Canada Limited | 6913 |
82 |
| Schlumberger Technology B.v. | 4951 |
77 |
| Services Petroliers Schlumberger | 5426 |
77 |
| Schlumberger Technology Corporation | 9690 |
76 |
| Schlumberger Holdings Limited | 2947 |
68 |
| Baker Hughes Incorporated | 5689 |
55 |
| CURTIS, Philip, Anthony | 497 |
55 |
| Prad Research and Development Limited | 2696 |
50 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 211 |
46 |
| Aramco Services Company | 3504 |
38 |
| Chevron U.S.A. Inc. | 3774 |
37 |
| S.p.c.m. SA | 308 |
30 |
| BASF SE | 19740 |
27 |
| Independence Oilfield Chemicals, LLC | 33 |
26 |
| Rhodia Operations | 1645 |
23 |
| Championx USA Inc. | 250 |
22 |
| Flotek Chemistry, LLC | 120 |
17 |
| Other owners | 893 |