- 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 10/567 - 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: 932
10-year publication summary
92
|
85
|
102
|
91
|
101
|
75
|
77
|
60
|
51
|
16
|
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 |
140 |
US Synthetic Corporation | 601 |
129 |
Smith International, Inc. | 761 |
79 |
Baker Hughes Incorporated | 5689 |
64 |
Schlumberger Technology Corporation | 9690 |
57 |
Halliburton Energy Services, Inc. | 20165 |
50 |
Element Six Abrasives S.A. | 148 |
39 |
Diamond Innovations, Inc. | 241 |
35 |
Element Six (UK) Limited | 178 |
32 |
Baker Hughes Oilfield Operations, LLC | 1885 |
32 |
National Oilwell DHT, L.P. | 159 |
30 |
National Oilwell Varco, L.P. | 1604 |
19 |
Baker Hughes, a GE Company, LLC | 2171 |
16 |
Element Six Limited | 123 |
12 |
Saudi Arabian Oil Company | 11322 |
12 |
CNPC USA Corp. | 109 |
11 |
Element Six (production) (Pty) Ltd | 80 |
11 |
Ulterra Drilling Technologies, L.P. | 124 |
11 |
Schlumberger Canada Limited | 6913 |
10 |
Varel International Ind., LLC | 43 |
9 |
Other owners | 134 |