- 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: 353
10-year publication summary
|
26
|
22
|
31
|
28
|
35
|
21
|
24
|
18
|
10
|
6
|
| 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 |
33 |
| Harris Corporation | 1591 |
33 |
| Schlumberger Technology Corporation | 9690 |
18 |
| Atlas Elektronik GmbH | 395 |
9 |
| CPG Technologies, LLC | 101 |
9 |
| Quantum Wave, LLC | 77 |
9 |
| Schlumberger Canada Limited | 6913 |
8 |
| Services Petroliers Schlumberger | 5426 |
8 |
| Schlumberger Technology B.v. | 4951 |
7 |
| TDF | 106 |
7 |
| Schlumberger Holdings Limited | 2947 |
6 |
| The Charles Machine Works, Inc. | 411 |
6 |
| Universite de Rennes 1 | 434 |
6 |
| The Furukawa Electric Co., Ltd. | 3486 |
5 |
| CenturyLink Intellectual Property LLC | 1130 |
5 |
| Prad Research and Development Limited | 2696 |
5 |
| West Fork Environmental, Inc. | 5 |
5 |
| Chevron U.S.A. Inc. | 3774 |
4 |
| Badger Meter, Inc. | 192 |
4 |
| NTT DoCoMo, Inc. | 11501 |
3 |
| Other owners | 163 |