- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F17D - Pipe-line systems; pipe-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: 280
10-year publication summary
|
20
|
12
|
17
|
35
|
21
|
29
|
19
|
26
|
26
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GRTgaz | 71 |
19 |
| Air Products and Chemicals, Inc. | 1448 |
14 |
| Fujikin Incorporated | 671 |
9 |
| Saudi Arabian Oil Company | 11322 |
6 |
| Trinity Bay Equipment Holdings, LLC | 244 |
6 |
| Hyundai Heavy Industries Co., Ltd. | 281 |
5 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
5 |
| BHE Compression Services, LLC | 6 |
5 |
| General Electric Company | 18133 |
4 |
| Tokyo Electron Limited | 11599 |
4 |
| Linde Aktiengesellschaft | 1600 |
4 |
| Mueller International, LLC | 694 |
4 |
| Magellan Scientific, LLC | 4 |
4 |
| Schlumberger Technology Corporation | 9690 |
3 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Applied Materials, Inc. | 16587 |
3 |
| 1304338 Alberta Ltd. | 87 |
3 |
| 1304342 Alberta Ltd. | 85 |
3 |
| Cavagna Group S.p.A. | 53 |
3 |
| Devtech Sales, Inc. | 4 |
3 |
| Other owners | 170 |