- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 57/00 - Protection of pipes or objects of similar shape against external or internal damage or wear
Patent holdings for IPC class F16L 57/00
Total number of patents in this class: 674
10-year publication summary
|
50
|
62
|
58
|
36
|
48
|
42
|
42
|
41
|
35
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Wiring Systems, Ltd. | 10752 |
55 |
| Vallourec Oil and Gas France | 451 |
26 |
| Yazaki Corporation | 6922 |
17 |
| Sumitomo Electric Industries, Ltd. | 16061 |
14 |
| AutoNetworks Technologies, Ltd. | 6910 |
14 |
| Tenaris Connections B.V. | 189 |
10 |
| The Boeing Company | 20102 |
8 |
| The Chugoku Electric Power Co., Inc. | 514 |
7 |
| Technip France | 692 |
7 |
| FPT Technologies LLC | 9 |
7 |
| Protective Industries, Inc. | 58 |
6 |
| Repligen Corporation | 291 |
6 |
| Saudi Arabian Oil Company | 13940 |
6 |
| Tectran Mfg. Inc. | 68 |
6 |
| Universal Moulding Co. Ltd. | 14 |
6 |
| R&R IP Investments, LLC | 7 |
6 |
| Drilltec Patents & Technologies Corporation | 19 |
5 |
| Hexagon Technology AS | 135 |
5 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
5 |
| Nippon Steel Corporation | 6661 |
5 |
| Other owners | 453 |