- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 23/20 - Flanged joints characterised by the sealing means the sealing means being rings made exclusively of metal
Patent holdings for IPC class F16L 23/20
Total number of patents in this class: 119
10-year publication summary
|
20
|
11
|
10
|
9
|
14
|
11
|
9
|
5
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
5 |
| ElringKlinger AG | 535 |
5 |
| Fujikin Incorporated | 690 |
4 |
| kuk IL Inntot Co., Ltd. | 14 |
4 |
| Otechos AS | 11 |
4 |
| The Schebler Co. | 23 |
4 |
| FMC Technologies, Inc. | 602 |
3 |
| NORMA Germany GmbH | 228 |
3 |
| LGC US Asset Holdings, LLC | 54 |
3 |
| ASML Netherlands B.V. | 7371 |
2 |
| Etablissements Caillau | 38 |
2 |
| Marine Direct Consultants Ltd. | 2 |
2 |
| Micro Motion, Inc. | 1020 |
2 |
| National Oilwell Varco, L.P. | 1668 |
2 |
| Rohr, Inc. | 745 |
2 |
| Saipem S.p.A. | 515 |
2 |
| Saudi Arabian Oil Company | 13044 |
2 |
| Sub-Drill Supply Limited | 12 |
2 |
| Technetics Group France SAS | 34 |
2 |
| Toki Engineering Co., Ltd. | 7 |
2 |
| Other owners | 62 |