- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F17D - Pipe-line systemspipe-lines
- F17D 3/18 - Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
Patent holdings for IPC class F17D 3/18
Total number of patents in this class: 92
10-year publication summary
|
10
|
9
|
8
|
7
|
5
|
5
|
9
|
14
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Air Products and Chemicals, Inc. | 1468 |
6 |
| H2c Safety Pipe, Inc. | 8 |
6 |
| Saudi Arabian Oil Company | 13956 |
4 |
| Project Canary, PBC | 47 |
4 |
| Canada Pipeline Accessories, Co. Ltd. | 88 |
3 |
| Engie | 182 |
3 |
| Halliburton Energy Services, Inc. | 21257 |
2 |
| Rubicon Research Pty Ltd. | 70 |
2 |
| General Electric Company | 13822 |
1 |
| Toyota Motor Corporation | 34999 |
1 |
| Honeywell International Inc. | 12758 |
1 |
| Rolls-Royce PLC | 3188 |
1 |
| Chevron U.S.A. Inc. | 4117 |
1 |
| Weatherford Technology Holdings, LLC | 2072 |
1 |
| Kennametal Inc. | 1360 |
1 |
| AMI Investments, LLC | 6 |
1 |
| Badger Meter, Inc. | 204 |
1 |
| Chiyoda Corporation | 420 |
1 |
| Contemporary Amperex Technology Co., Limited | 9293 |
1 |
| EOG Resources, Inc. | 87 |
1 |
| Other owners | 50 |