- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 53/37 - Ohmic-resistance heating the heating current flowing directly through the pipe to be heated
Patent holdings for IPC class F16L 53/37
Total number of patents in this class: 80
10-year publication summary
|
1
|
7
|
11
|
4
|
9
|
7
|
10
|
6
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21101 |
8 |
| National Oilwell Varco Denmark I/S | 131 |
7 |
| Saipem S.A. | 228 |
6 |
| Linde GmbH | 1287 |
5 |
| Aker Solutions AS | 195 |
4 |
| Gates Corporation | 1152 |
4 |
| Saipem S.p.A. | 515 |
4 |
| Acergy France SAS | 131 |
3 |
| Siemens Energy AS | 159 |
3 |
| Halliburton Energy Services, Inc. | 21114 |
2 |
| Dow Global Technologies LLC | 10587 |
2 |
| Graco Minnesota Inc. | 1232 |
2 |
| Linde Aktiengesellschaft | 1481 |
2 |
| Nexans | 616 |
2 |
| SABIC Global Technologies B.V. | 4412 |
2 |
| DEC Technologies B.V. | 64 |
2 |
| Siemens Energy AS | 8 |
2 |
| Samsung Electronics Co., Ltd. | 149582 |
1 |
| LG Chem, Ltd. | 17704 |
1 |
| Airbus Operations GmbH | 3386 |
1 |
| Other owners | 17 |