- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 55/46 - Launching or retrieval of pigs or moles
Patent holdings for IPC class F16L 55/46
Total number of patents in this class: 270
10-year publication summary
|
17
|
27
|
35
|
35
|
31
|
22
|
20
|
17
|
19
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14235 |
14 |
| TDW Delaware, Inc. | 165 |
11 |
| Subsea 7 Norway AS | 94 |
10 |
| MarkWest Energy Partners LLC | 16 |
8 |
| No-des, Inc. | 14 |
7 |
| Halliburton Energy Services, Inc. | 21338 |
5 |
| Petroleo Brasileiro S.A. - Petrobras | 967 |
5 |
| Quest Integrity USA, LLC | 62 |
5 |
| Seescan, Inc. | 571 |
5 |
| Wells Fargo Bank, National Association | 4511 |
5 |
| Chevron U.S.A. Inc. | 4140 |
4 |
| Aramco Services Company | 4195 |
4 |
| Milwaukee Electric Tool Corporation | 4958 |
4 |
| SOFEC, Inc. | 87 |
4 |
| ULC Robotics, Inc. | 9 |
4 |
| Vetco Gray Scandinavia AS | 167 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
3 |
| Shell Oil Company | 2071 |
3 |
| Ecopetrol S.A. | 58 |
3 |
| John Anderson Construction, Inc., DBA AGI Industries | 8 |
3 |
| Other owners | 159 |