- 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: 357
10-year publication summary
|
17
|
35
|
21
|
29
|
19
|
30
|
33
|
32
|
29
|
30
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GRTgaz | 64 |
19 |
| Air Products and Chemicals, Inc. | 1475 |
14 |
| TPE Midstream LLC | 63 |
11 |
| H2c Safety Pipe, Inc. | 10 |
9 |
| Fujikin Incorporated | 708 |
8 |
| Saudi Arabian Oil Company | 14416 |
7 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4152 |
6 |
| BHE Compression Services, LLC | 7 |
6 |
| Hitachi, Ltd. | 16237 |
5 |
| Hyundai Heavy Industries Co., Ltd. | 269 |
5 |
| Itron, Inc. | 991 |
5 |
| Magellan Scientific, LLC | 5 |
5 |
| Flexsteel USA, LLC | 174 |
5 |
| Linde Aktiengesellschaft | 1410 |
4 |
| Mueller International, LLC | 751 |
4 |
| Schlumberger Technology Corporation | 12005 |
3 |
| Halliburton Energy Services, Inc. | 21300 |
3 |
| Applied Materials, Inc. | 20654 |
3 |
| 1304338 Alberta Ltd. | 96 |
3 |
| 1304342 Alberta Ltd. | 95 |
3 |
| Other owners | 229 |