- 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: 541
10-year publication summary
|
38
|
47
|
42
|
42
|
43
|
33
|
32
|
63
|
46
|
23
|
| 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. | 569 |
22 |
| Mueller International, LLC | 744 |
11 |
| Saudi Arabian Oil Company | 14390 |
11 |
| Flexsteel USA, LLC | 173 |
9 |
| Atlas Copco Airpower, naamloze vennootschap | 1083 |
8 |
| Total Containment Inc. | 9 |
8 |
| Siemens AG | 23913 |
6 |
| Massachusetts Institute of Technology | 10313 |
6 |
| Hifi Engineering Inc. | 140 |
6 |
| Picarro, Inc. | 68 |
6 |
| Safe-Crossings, L.L.C. | 7 |
6 |
| TPE Midstream LLC | 62 |
6 |
| Halliburton Energy Services, Inc. | 21299 |
4 |
| International Business Machines Corporation | 62847 |
4 |
| NEC Corporation | 37491 |
4 |
| Fisher Controls International LLC | 1425 |
4 |
| King Fahd University of Petroleum and Minerals | 1601 |
4 |
| Zhejiang University | 3488 |
4 |
| Schlumberger Canada Limited | 7616 |
3 |
| Hitachi, Ltd. | 16221 |
3 |
| Other owners | 406 |