- 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 10/573 - 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: 450
10-year publication summary
|
51
|
37
|
48
|
44
|
26
|
23
|
18
|
18
|
15
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baker Hughes Holdings LLC | 2999 |
69 |
| US Synthetic Corporation | 617 |
53 |
| Smith International, Inc. | 717 |
50 |
| Baker Hughes Incorporated | 5246 |
34 |
| Halliburton Energy Services, Inc. | 20964 |
32 |
| Schlumberger Technology Corporation | 10898 |
26 |
| Element Six Abrasives S.A. | 147 |
24 |
| Element Six (UK) Limited | 218 |
21 |
| Diamond Innovations, Inc. | 235 |
15 |
| Element Six Limited | 120 |
10 |
| Baker Hughes Oilfield Operations, LLC | 2331 |
10 |
| Baker Hughes, a GE Company, LLC | 2109 |
10 |
| National Oilwell DHT, L.P. | 123 |
7 |
| National Oilwell Varco, L.P. | 1689 |
6 |
| Ulterra Drilling Technologies, L.P. | 124 |
5 |
| Xr Reserve LLC | 36 |
5 |
| Element Six GmbH | 107 |
4 |
| Element Six (production) (Pty) Ltd | 67 |
4 |
| Saudi Arabian Oil Company | 13409 |
4 |
| Sandvik Mining and Construction Tools AB | 174 |
4 |
| Other owners | 57 |