- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17D - Pipe-line systemspipe-lines
- F17D 1/04 - Pipe-line systems for gases or vapours for distribution of gas
Patent holdings for IPC class F17D 1/04
Total number of patents in this class: 337
10-year publication summary
|
14
|
28
|
16
|
23
|
17
|
22
|
26
|
29
|
21
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GRTgaz | 66 |
19 |
| Air Products and Chemicals, Inc. | 1461 |
13 |
| TPE Midstream LLC | 61 |
10 |
| Fujikin Incorporated | 693 |
8 |
| Saudi Arabian Oil Company | 13904 |
7 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4048 |
6 |
| BHE Compression Services, LLC | 7 |
6 |
| Hyundai Heavy Industries Co., Ltd. | 274 |
5 |
| Itron, Inc. | 916 |
5 |
| Flexsteel USA, LLC | 165 |
5 |
| Hitachi, Ltd. | 15846 |
4 |
| Applied Materials, Inc. | 19849 |
4 |
| Linde Aktiengesellschaft | 1454 |
4 |
| Mueller International, LLC | 734 |
4 |
| Magellan Scientific, LLC | 4 |
4 |
| H2c Safety Pipe, Inc. | 5 |
4 |
| Schlumberger Technology Corporation | 11349 |
3 |
| Halliburton Energy Services, Inc. | 21144 |
3 |
| Tokyo Electron Limited | 13452 |
3 |
| 1304338 Alberta Ltd. | 88 |
3 |
| Other owners | 217 |