- 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: 277
10-year publication summary
|
16
|
37
|
42
|
28
|
23
|
36
|
21
|
27
|
16
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| VOSS Automotive GmbH | 219 |
17 |
| Fisher & Paykel Healthcare Limited | 2571 |
14 |
| Graco Minnesota Inc. | 1237 |
12 |
| Acergy France SAS | 132 |
10 |
| Wayne Fueling Systems LLC | 375 |
8 |
| NORMA Germany GmbH | 237 |
7 |
| Saudi Arabian Oil Company | 13791 |
7 |
| TI Automotive (Fuldabrück) GmbH | 41 |
6 |
| Hutchinson | 475 |
5 |
| Chemelex Europe GmbH | 66 |
5 |
| Eugen Forschner GmbH | 41 |
4 |
| Watlow Electric Manufacturing Company | 589 |
4 |
| Controls Southeast, Inc. | 35 |
3 |
| Hutchinson SRL | 15 |
3 |
| ITP SA | 49 |
3 |
| National Oilwell Varco Denmark I/S | 131 |
3 |
| Nichias Corporation | 397 |
3 |
| Oceaneering International, Inc. | 423 |
3 |
| Parker-Hannifin Corporation | 1019 |
3 |
| Subsea 7 Limited | 226 |
3 |
| Other owners | 154 |