- 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 23/06 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
Patent holdings for IPC class E21B 23/06
Total number of patents in this class: 1780
10-year publication summary
|
91
|
111
|
111
|
112
|
123
|
133
|
97
|
102
|
89
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21153 |
405 |
| Baker Hughes Incorporated | 5082 |
106 |
| Schlumberger Technology Corporation | 11404 |
96 |
| Saudi Arabian Oil Company | 13921 |
93 |
| Weatherford Technology Holdings, LLC | 2043 |
75 |
| Baker Hughes Oilfield Operations, LLC | 2423 |
74 |
| Schlumberger Canada Limited | 7550 |
66 |
| Schlumberger Technology B.v. | 5263 |
55 |
| Services Petroliers Schlumberger | 5966 |
55 |
| The Wellboss Company, LLC | 113 |
50 |
| Baker Hughes, a GE Company, LLC | 2103 |
49 |
| Baker Hughes Holdings LLC | 2981 |
39 |
| G & H Diversified Manufacturing, LP, Edward Cannoy Kash, U.S. Citizen; Merry Janan Kash, U.S. Citizen | 77 |
24 |
| Schlumberger Holdings Limited | 2751 |
16 |
| Hunting Titan, Inc. | 242 |
16 |
| Prad Research and Development Limited | 2681 |
16 |
| Dbk Industries, LLC | 15 |
12 |
| Aramco Services Company | 4164 |
11 |
| Welltec AS | 303 |
11 |
| Exacta-Frac Energy Services, Inc. | 55 |
11 |
| Other owners | 500 |