- 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: 347
10-year publication summary
|
22
|
31
|
28
|
35
|
21
|
24
|
19
|
10
|
13
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20672 |
33 |
| Harris Corporation | 1446 |
23 |
| Schlumberger Technology Corporation | 10567 |
17 |
| CPG Technologies, LLC | 99 |
9 |
| Quantum Wave, LLC | 77 |
9 |
| Schlumberger Canada Limited | 7190 |
8 |
| Atlas Elektronik GmbH | 396 |
8 |
| Services Petroliers Schlumberger | 5731 |
8 |
| Schlumberger Technology B.v. | 5130 |
7 |
| TDF | 99 |
7 |
| Schlumberger Holdings Limited | 2847 |
6 |
| The Charles Machine Works, Inc. | 410 |
6 |
| Universite de Rennes 1 | 454 |
6 |
| The Furukawa Electric Co., Ltd. | 3616 |
5 |
| CenturyLink Intellectual Property LLC | 1206 |
5 |
| Prad Research and Development Limited | 2695 |
5 |
| West Fork Environmental, Inc. | 5 |
5 |
| Badger Meter, Inc. | 194 |
4 |
| Bench Tree Group, LLC | 63 |
4 |
| Acceleware Ltd. | 56 |
4 |
| Other owners | 168 |