- 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 53/35 - Ohmic-resistance heating
Patent holdings for IPC class F16L 53/35
Total number of patents in this class: 70
10-year publication summary
|
4
|
6
|
9
|
5
|
15
|
5
|
4
|
4
|
13
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichias Corporation | 387 |
7 |
| Edwards Limited | 799 |
4 |
| Siemens Energy AS | 162 |
4 |
| Thermos Corporation | 4 |
3 |
| Globalmed, Inc. | 33 |
3 |
| Tokyo Electron Limited | 12090 |
2 |
| NORMA Germany GmbH | 223 |
2 |
| Total SA | 504 |
2 |
| VOSS Automotive GmbH | 217 |
2 |
| Trinity Bay Equipment Holdings, LLC | 103 |
2 |
| Bani-Asaf Inc. | 3 |
1 |
| Eugen Forschner GmbH | 41 |
1 |
| Fujikin Incorporated | 690 |
1 |
| Gebr. Krallmann GmbH | 12 |
1 |
| General Electric Technology GmbH | 1602 |
1 |
| Goodrich Corporation | 2087 |
1 |
| Hutchinson | 460 |
1 |
| MANN+HUMMEL GmbH | 1722 |
1 |
| MKS Instruments, Inc. | 686 |
1 |
| National Oilwell Varco Denmark I/S | 133 |
1 |
| Other owners | 29 |