- 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 7/06 - Deflecting the direction of boreholes
Patent holdings for IPC class E21B 7/06
Total number of patents in this class: 2182
10-year publication summary
143
|
224
|
196
|
227
|
205
|
172
|
152
|
161
|
140
|
34
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20165 |
523 |
Schlumberger Technology Corporation | 9690 |
188 |
Schlumberger Canada Limited | 6913 |
100 |
Services Petroliers Schlumberger | 5426 |
87 |
Schlumberger Technology B.v. | 4951 |
81 |
Saudi Arabian Oil Company | 11322 |
58 |
Baker Hughes, a GE Company, LLC | 2171 |
58 |
Weatherford Technology Holdings, LLC | 2135 |
50 |
Baker Hughes Oilfield Operations, LLC | 1885 |
50 |
Schlumberger Holdings Limited | 2947 |
40 |
Baker Hughes Incorporated | 5689 |
37 |
Baker Hughes Holdings LLC | 3060 |
36 |
Prad Research and Development Limited | 2696 |
35 |
Motive Drilling Technologies, Inc. | 89 |
25 |
Nabors Drilling Technologies USA, Inc. | 533 |
24 |
National Oilwell Varco, L.P. | 1604 |
23 |
Shell Internationale Research Maatschappij B.V. | 3792 |
19 |
Coiled Tubing Specialties, LLC | 31 |
18 |
Vermeer Manufacturing Company | 615 |
18 |
Landmark Graphics Corporation | 1526 |
15 |
Other owners | 697 |