- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17D - Pipe-line systemspipe-lines
- F17D 5/02 - Preventing, monitoring, or locating loss
Patent holdings for IPC class F17D 5/02
Total number of patents in this class: 524
10-year publication summary
|
29
|
40
|
40
|
37
|
40
|
26
|
29
|
53
|
41
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chengdu Qinchuan IoT Technology Co., Ltd. | 513 |
18 |
| Mueller International, LLC | 732 |
11 |
| Saudi Arabian Oil Company | 13921 |
11 |
| Total Containment Inc. | 10 |
9 |
| Flexsteel USA, LLC | 165 |
9 |
| Atlas Copco Airpower, naamloze vennootschap | 1058 |
8 |
| Siemens AG | 24314 |
6 |
| Massachusetts Institute of Technology | 10195 |
6 |
| Picarro, Inc. | 66 |
6 |
| Safe-Crossings, L.L.C. | 7 |
6 |
| TPE Midstream LLC | 61 |
6 |
| Hifi Engineering Inc. | 136 |
5 |
| Halliburton Energy Services, Inc. | 21153 |
4 |
| International Business Machines Corporation | 62076 |
4 |
| NEC Corporation | 36472 |
4 |
| Fisher Controls International LLC | 1494 |
4 |
| Pioneer Lining Technology Limited | 28 |
4 |
| Zhejiang University | 3341 |
4 |
| Schlumberger Canada Limited | 7550 |
3 |
| Hitachi, Ltd. | 15859 |
3 |
| Other owners | 393 |