- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 58/02 - Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
Patent holdings for IPC class F16L 58/02
Total number of patents in this class: 113
10-year publication summary
|
13
|
17
|
9
|
10
|
12
|
8
|
4
|
5
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Advanced Drainage Systems, Inc. | 363 |
5 |
| Baden-Württemberg Stiftung gGmbH | 67 |
4 |
| Petroliam Nasional Berhad (petronas) | 345 |
4 |
| Whitaker Chalk Swindle & Schwartz PLLC | 7 |
4 |
| 2543500 Alberta Ltd. | 28 |
4 |
| Saudi Arabian Oil Company | 13681 |
3 |
| ShawCor Ltd. | 75 |
3 |
| Field Joint Coatings Pty Ltd | 3 |
3 |
| Formula No. 37, LLC | 6 |
3 |
| E9 Treatments, Inc. | 7 |
3 |
| Halliburton Energy Services, Inc. | 21114 |
2 |
| 3m Innovative Properties Company | 17653 |
2 |
| Cidra Corporate Services, Inc. | 203 |
2 |
| Envirologics Engineering Inc. | 17 |
2 |
| General Air Products, Inc. | 9 |
2 |
| Integrity Products & Supplies Inc. | 21 |
2 |
| Lindsay Corporation | 245 |
2 |
| LMK Technologies, LLC | 104 |
2 |
| Pipe Restoration Technologies, LLC | 35 |
2 |
| Samsung Heavy Ind. Co., Ltd. | 239 |
2 |
| Other owners | 57 |