- All sections
- E - Fixed constructions
- E21B - Earth or rock drillingobtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B 10/567 - Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
Patent holdings for IPC class E21B 10/567
Total number of patents in this class: 1074
10-year publication summary
|
102
|
91
|
101
|
75
|
78
|
62
|
61
|
62
|
35
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baker Hughes Holdings LLC | 3024 |
139 |
| US Synthetic Corporation | 618 |
134 |
| Smith International, Inc. | 692 |
78 |
| Schlumberger Technology Corporation | 11857 |
69 |
| Baker Hughes Incorporated | 4916 |
59 |
| Halliburton Energy Services, Inc. | 21318 |
59 |
| Element Six (UK) Limited | 236 |
52 |
| National Oilwell Varco, L.P. | 1702 |
40 |
| Element Six Abrasives S.A. | 145 |
39 |
| Baker Hughes Oilfield Operations, LLC | 2539 |
38 |
| Diamond Innovations, Inc. | 235 |
35 |
| National Oilwell DHT, L.P. | 120 |
25 |
| Schlumberger Canada Limited | 7613 |
23 |
| Schlumberger Technology B.v. | 5297 |
18 |
| Saudi Arabian Oil Company | 14296 |
18 |
| Services Petroliers Schlumberger | 6029 |
18 |
| Ulterra Drilling Technologies, L.P. | 129 |
18 |
| Baker Hughes, a GE Company, LLC | 2051 |
16 |
| CNPC USA Corp. | 181 |
13 |
| Element Six Limited | 118 |
12 |
| Other owners | 171 |