- 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: 1018
10-year publication summary
|
85
|
102
|
91
|
101
|
75
|
78
|
62
|
59
|
59
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baker Hughes Holdings LLC | 3007 |
139 |
| US Synthetic Corporation | 624 |
138 |
| Smith International, Inc. | 717 |
79 |
| Schlumberger Technology Corporation | 10717 |
62 |
| Baker Hughes Incorporated | 5247 |
62 |
| Halliburton Energy Services, Inc. | 20891 |
58 |
| Element Six (UK) Limited | 216 |
46 |
| Element Six Abrasives S.A. | 147 |
39 |
| Baker Hughes Oilfield Operations, LLC | 2301 |
36 |
| Diamond Innovations, Inc. | 236 |
35 |
| National Oilwell Varco, L.P. | 1671 |
29 |
| National Oilwell DHT, L.P. | 129 |
25 |
| Saudi Arabian Oil Company | 13155 |
16 |
| Baker Hughes, a GE Company, LLC | 2112 |
16 |
| Ulterra Drilling Technologies, L.P. | 124 |
15 |
| Schlumberger Canada Limited | 7296 |
14 |
| CNPC USA Corp. | 155 |
13 |
| Schlumberger Technology B.v. | 5168 |
12 |
| Element Six Limited | 119 |
12 |
| Services Petroliers Schlumberger | 5788 |
12 |
| Other owners | 160 |