- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/50 - Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
Patent holdings for IPC class C09K 8/50
Total number of patents in this class: 378
10-year publication summary
|
44
|
20
|
34
|
14
|
26
|
11
|
14
|
7
|
4
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21320 |
111 |
| Saudi Arabian Oil Company | 14248 |
40 |
| Aramco Services Company | 4196 |
15 |
| Schlumberger Canada Limited | 7601 |
11 |
| Schlumberger Technology B.v. | 5295 |
11 |
| Baker Hughes Incorporated | 4927 |
11 |
| Services Petroliers Schlumberger | 6023 |
11 |
| Schlumberger Holdings Limited | 2694 |
10 |
| Prad Research and Development Limited | 2658 |
10 |
| Schlumberger Technology Corporation | 11820 |
9 |
| M-I L.L.C. | 743 |
9 |
| Baker Hughes Holdings LLC | 3021 |
8 |
| Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 823 |
5 |
| ConocoPhillips Company | 1709 |
5 |
| ENI S.p.A. | 1308 |
5 |
| CURTIS, Philip, Anthony | 329 |
4 |
| Championx LLC | 641 |
4 |
| Dow Global Technologies LLC | 10960 |
3 |
| Board of Regents, The University of Texas System | 6117 |
3 |
| Eavor Technologies Inc. | 109 |
3 |
| Other owners | 90 |