- 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: 93
10-year publication summary
|
10
|
9
|
8
|
7
|
5
|
5
|
9
|
14
|
6
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| H2c Safety Pipe, Inc. | 9 |
7 |
| Air Products and Chemicals, Inc. | 1474 |
6 |
| Saudi Arabian Oil Company | 14248 |
4 |
| Project Canary, PBC | 48 |
4 |
| Canada Pipeline Accessories, Co. Ltd. | 88 |
3 |
| Engie | 182 |
3 |
| Halliburton Energy Services, Inc. | 21320 |
2 |
| Rubicon Research Pty Ltd. | 70 |
2 |
| General Electric Company | 13910 |
1 |
| Toyota Motor Corporation | 35813 |
1 |
| Honeywell International Inc. | 12772 |
1 |
| Rolls-Royce PLC | 3223 |
1 |
| Chevron U.S.A. Inc. | 4136 |
1 |
| Weatherford Technology Holdings, LLC | 2158 |
1 |
| AMI Investments, LLC | 6 |
1 |
| Badger Meter, Inc. | 209 |
1 |
| Chiyoda Corporation | 423 |
1 |
| Contemporary Amperex Technology Co., Limited | 10003 |
1 |
| EOG Resources, Inc. | 87 |
1 |
| Fisher Controls International LLC | 1455 |
1 |
| Other owners | 50 |