- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 57/02 - Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
Patent holdings for IPC class F16L 57/02
Total number of patents in this class: 218
10-year publication summary
|
28
|
28
|
18
|
28
|
17
|
19
|
17
|
31
|
14
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Era Co., Ltd. | 27 |
7 |
| Chevron U.S.A. Inc. | 3962 |
5 |
| Repligen Corporation | 284 |
5 |
| Henkel AG & Co. KGaA | 10574 |
4 |
| Lankhorst Engineered Products B.V. | 17 |
4 |
| Tectran Mfg. Inc. | 69 |
4 |
| Baker Hughes Energy Technology UK Limited | 211 |
4 |
| NORMA Germany GmbH | 231 |
3 |
| Saipem S.A. | 229 |
3 |
| Swan Products, LLC | 74 |
3 |
| Technip France | 703 |
3 |
| Zibo Environmental Protection Technology Co., Ltd. | 83 |
3 |
| Advanced Innergy Ltd | 56 |
3 |
| Mearthane Products LLC | 20 |
3 |
| Illinois Tool Works Inc. | 11469 |
2 |
| Amgen Inc. | 4044 |
2 |
| ABB Limited | 33 |
2 |
| BSH Bosch und Siemens Hausgerate GmbH | 2903 |
2 |
| Changzhou University | 180 |
2 |
| GE Oil & Gas UK Limited | 160 |
2 |
| Other owners | 152 |