- 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: 219
10-year publication summary
27
|
26
|
18
|
25
|
16
|
18
|
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. | 3972 |
5 |
Repligen Corporation | 285 |
5 |
Henkel AG & Co. KGaA | 10588 |
4 |
Lankhorst Engineered Products B.V. | 17 |
4 |
Tectran Mfg. Inc. | 69 |
4 |
Baker Hughes Energy Technology UK Limited | 211 |
4 |
NORMA Germany GmbH | 229 |
3 |
Saipem S.A. | 228 |
3 |
Swan Products, LLC | 74 |
3 |
Technip France | 705 |
3 |
Zibo Environmental Protection Technology Co., Ltd. | 83 |
3 |
Advanced Innergy Ltd | 58 |
3 |
Mearthane Products LLC | 20 |
3 |
Illinois Tool Works Inc. | 11485 |
2 |
Amgen Inc. | 4081 |
2 |
ABB Limited | 33 |
2 |
Balltec Limited | 31 |
2 |
BSH Bosch und Siemens Hausgerate GmbH | 2859 |
2 |
Changzhou University | 183 |
2 |
Other owners | 153 |