- 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: 681
10-year publication summary
|
62
|
64
|
65
|
40
|
48
|
46
|
47
|
43
|
40
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Wiring Systems, Ltd. | 11084 |
55 |
| Vallourec Oil and Gas France | 454 |
27 |
| Yazaki Corporation | 7132 |
17 |
| Sumitomo Electric Industries, Ltd. | 16412 |
14 |
| AutoNetworks Technologies, Ltd. | 7164 |
14 |
| Tenaris Connections B.V. | 194 |
10 |
| The Boeing Company | 20176 |
8 |
| The Chugoku Electric Power Co., Inc. | 511 |
7 |
| Technip France | 675 |
7 |
| FPT Technologies LLC | 9 |
7 |
| Nippon Steel Corporation | 6919 |
6 |
| Protective Industries, Inc. | 55 |
6 |
| Repligen Corporation | 299 |
6 |
| Saudi Arabian Oil Company | 14296 |
6 |
| Tectran Mfg. Inc. | 72 |
6 |
| Universal Moulding Co. Ltd. | 14 |
6 |
| R&R IP Investments, LLC | 7 |
6 |
| The Furukawa Electric Co., Ltd. | 3698 |
5 |
| Drilltec Patents & Technologies Corporation | 19 |
5 |
| Hexagon Technology AS | 136 |
5 |
| Other owners | 458 |