- 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: 55
10-year publication summary
|
5
|
4
|
6
|
9
|
5
|
15
|
5
|
4
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Edwards Limited | 764 |
4 |
| Siemens Energy AS | 162 |
4 |
| Trinity Bay Equipment Holdings, LLC | 244 |
3 |
| Globalmed, Inc. | 33 |
3 |
| NORMA Germany GmbH | 219 |
2 |
| Total SA | 520 |
2 |
| VOSS Automotive GmbH | 211 |
2 |
| Tokyo Electron Limited | 11599 |
1 |
| Bani-Asaf Inc. | 3 |
1 |
| Eugen Forschner GmbH | 41 |
1 |
| Fujikin Incorporated | 671 |
1 |
| Gebr. Krallmann GmbH | 13 |
1 |
| General Electric Technology GmbH | 1657 |
1 |
| Hutchinson | 455 |
1 |
| MANN+HUMMEL GmbH | 1682 |
1 |
| MKS Instruments, Inc. | 698 |
1 |
| National Oilwell Varco Denmark I/S | 135 |
1 |
| Nichias Corporation | 386 |
1 |
| Nifco Inc. | 1103 |
1 |
| Nord-Micro GmbH & Co. OHG | 8 |
1 |
| Other owners | 22 |