- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 1/04 - Adaptation for subterranean or subaqueous use
Patent holdings for IPC class H01Q 1/04
Total number of patents in this class: 354
10-year publication summary
|
22
|
28
|
25
|
33
|
21
|
23
|
17
|
11
|
13
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20964 |
35 |
| Harris Corporation | 1412 |
23 |
| Schlumberger Technology Corporation | 10898 |
17 |
| CPG Technologies, LLC | 99 |
9 |
| Quantum Wave, LLC | 75 |
9 |
| Schlumberger Canada Limited | 7369 |
8 |
| Atlas Elektronik GmbH | 398 |
8 |
| Services Petroliers Schlumberger | 5830 |
8 |
| Schlumberger Technology B.v. | 5184 |
7 |
| The Charles Machine Works, Inc. | 404 |
7 |
| TDF | 97 |
7 |
| Schlumberger Holdings Limited | 2800 |
6 |
| Universite de Rennes 1 | 456 |
6 |
| The Furukawa Electric Co., Ltd. | 3704 |
5 |
| CenturyLink Intellectual Property LLC | 1248 |
5 |
| Prad Research and Development Limited | 2691 |
5 |
| West Fork Environmental, Inc. | 5 |
5 |
| Badger Meter, Inc. | 198 |
4 |
| Bench Tree Group, LLC | 63 |
4 |
| Parsec Technologies, Inc. | 42 |
4 |
| Other owners | 172 |