- All sections
- E - Fixed constructions
- E21B - Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B 10/573 - Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts - characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
Patent holdings for IPC class E21B 10/573
Total number of patents in this class: 435
10-year publication summary
|
63
|
57
|
37
|
50
|
47
|
29
|
25
|
19
|
19
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baker Hughes Holdings LLC | 3060 |
68 |
| US Synthetic Corporation | 601 |
52 |
| Smith International, Inc. | 761 |
50 |
| Baker Hughes Incorporated | 5689 |
35 |
| Halliburton Energy Services, Inc. | 20165 |
32 |
| Schlumberger Technology Corporation | 9690 |
24 |
| Element Six Abrasives S.A. | 148 |
24 |
| Diamond Innovations, Inc. | 241 |
15 |
| Element Six (UK) Limited | 178 |
15 |
| Element Six Limited | 123 |
11 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
10 |
| Baker Hughes, a GE Company, LLC | 2171 |
10 |
| National Oilwell DHT, L.P. | 159 |
8 |
| Ulterra Drilling Technologies, L.P. | 124 |
5 |
| Sandvik Mining and Construction Tools AB | 147 |
5 |
| Element Six (production) (Pty) Ltd | 80 |
4 |
| Saudi Arabian Oil Company | 11322 |
4 |
| Xr Reserve LLC | 31 |
4 |
| Element Six GmbH | 99 |
3 |
| National Oilwell Varco, L.P. | 1604 |
3 |
| Other owners | 53 |