- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/70 - Compositions for forming crevices or fractures characterised by their form or by the form of their components, e.g. foams
Patent holdings for IPC class C09K 8/70
Total number of patents in this class: 838
10-year publication summary
|
75
|
95
|
72
|
74
|
66
|
37
|
36
|
24
|
38
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21318 |
116 |
| Saudi Arabian Oil Company | 14296 |
97 |
| Schlumberger Technology Corporation | 11857 |
51 |
| Schlumberger Canada Limited | 7613 |
31 |
| Schlumberger Technology B.v. | 5297 |
30 |
| Services Petroliers Schlumberger | 6029 |
30 |
| Aramco Services Company | 4193 |
29 |
| Baker Hughes Holdings LLC | 3024 |
26 |
| Schlumberger Holdings Limited | 2686 |
20 |
| Prad Research and Development Limited | 2654 |
20 |
| Baker Hughes Incorporated | 4916 |
11 |
| BASF SE | 21310 |
10 |
| Innospec Limited | 412 |
10 |
| Chevron U.S.A. Inc. | 4155 |
9 |
| CARBO Ceramics Inc. | 176 |
9 |
| Advansix Resins & Chemicals LLC | 307 |
8 |
| Baker Hughes Oilfield Operations, LLC | 2539 |
8 |
| CURTIS, Philip, Anthony | 327 |
8 |
| Flotek Chemistry, LLC | 115 |
7 |
| Powdermet, Inc. | 44 |
7 |
| Other owners | 301 |