- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means 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: 237
10-year publication summary
|
16
|
14
|
16
|
37
|
43
|
28
|
25
|
38
|
19
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| VOSS Automotive GmbH | 211 |
15 |
| Graco Minnesota Inc. | 1124 |
10 |
| Acergy France SAS | 124 |
9 |
| Fisher & Paykel Healthcare Limited | 2218 |
8 |
| Wayne Fueling Systems LLC | 303 |
8 |
| NORMA Germany GmbH | 219 |
7 |
| Saudi Arabian Oil Company | 11322 |
7 |
| TI Automotive (Fuldabrück) GmbH | 40 |
6 |
| nVent Services GmbH | 159 |
5 |
| Eugen Forschner GmbH | 41 |
4 |
| Hutchinson | 455 |
4 |
| Watlow Electric Manufacturing Company | 569 |
4 |
| FMC Kongsberg Subsea AS | 251 |
3 |
| Hutchinson SRL | 13 |
3 |
| ITP SA | 44 |
3 |
| National Oilwell Varco Denmark I/S | 135 |
3 |
| Nichias Corporation | 386 |
3 |
| Oceaneering International, Inc. | 413 |
3 |
| Thermacor Process, Inc. | 15 |
3 |
| TSC Inc. | 9 |
3 |
| Other owners | 126 |