- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 391
10-year publication summary
|
52
|
42
|
44
|
20
|
34
|
14
|
26
|
11
|
13
|
2
|
| 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 |
115 |
| Saudi Arabian Oil Company | 11322 |
40 |
| Schlumberger Canada Limited | 6913 |
15 |
| Aramco Services Company | 3504 |
15 |
| Schlumberger Technology B.v. | 4951 |
13 |
| Baker Hughes Incorporated | 5689 |
13 |
| Services Petroliers Schlumberger | 5426 |
13 |
| Schlumberger Holdings Limited | 2947 |
12 |
| Prad Research and Development Limited | 2696 |
11 |
| M-I L.L.C. | 893 |
9 |
| Schlumberger Technology Corporation | 9690 |
8 |
| Baker Hughes Holdings LLC | 3060 |
8 |
| CURTIS, Philip, Anthony | 497 |
7 |
| Limited Liability Company "gr Petroleum" | 12 |
6 |
| Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | 786 |
5 |
| ConocoPhillips Company | 1657 |
5 |
| ENI S.p.A. | 1241 |
4 |
| Championx LLC | 311 |
4 |
| 3m Innovative Properties Company | 18406 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| Other owners | 82 |