- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 53/38 - Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
Patent holdings for IPC class F16L 53/38
Total number of patents in this class: 289
10-year publication summary
|
16
|
38
|
43
|
29
|
26
|
40
|
23
|
27
|
17
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| VOSS Automotive GmbH | 222 |
17 |
| Fisher & Paykel Healthcare Limited | 2635 |
14 |
| Graco Minnesota Inc. | 1281 |
12 |
| Acergy France SAS | 136 |
10 |
| Wayne Fueling Systems LLC | 387 |
8 |
| NORMA Germany GmbH | 249 |
7 |
| Saudi Arabian Oil Company | 14248 |
7 |
| TI Automotive (Fuldabrück) GmbH | 41 |
6 |
| Hutchinson | 493 |
5 |
| Nichias Corporation | 403 |
5 |
| Chemelex Europe GmbH | 82 |
5 |
| Eugen Forschner GmbH | 42 |
4 |
| Parker-Hannifin Corporation | 1038 |
4 |
| Watlow Electric Manufacturing Company | 578 |
4 |
| BASF SE | 21308 |
3 |
| Controls Southeast, Inc. | 35 |
3 |
| Hutchinson SRL | 16 |
3 |
| ITP SA | 50 |
3 |
| National Oilwell Varco Denmark I/S | 130 |
3 |
| Oceaneering International, Inc. | 398 |
3 |
| Other owners | 163 |