- 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: 125
10-year publication summary
|
11
|
10
|
9
|
14
|
11
|
9
|
5
|
4
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
5 |
| ElringKlinger AG | 575 |
5 |
| The Schebler Co. | 25 |
5 |
| Fujikin Incorporated | 700 |
4 |
| kuk IL Inntot Co., Ltd. | 14 |
4 |
| FMC Technologies, Inc. | 617 |
3 |
| NORMA Germany GmbH | 249 |
3 |
| Microflex Technologies, Inc. | 9 |
3 |
| LGC US Asset Holdings, LLC | 53 |
3 |
| ASML Netherlands B.V. | 7959 |
2 |
| Etablissements Caillau | 36 |
2 |
| Marine Direct Consultants Ltd. | 2 |
2 |
| Micro Motion, Inc. | 1020 |
2 |
| National Oilwell Varco, L.P. | 1702 |
2 |
| Rohr, Inc. | 773 |
2 |
| Saipem S.p.A. | 529 |
2 |
| Saudi Arabian Oil Company | 14296 |
2 |
| Sub-Drill Supply Limited | 13 |
2 |
| Technetics Group France SAS | 31 |
2 |
| Toki Engineering Co., Ltd. | 7 |
2 |
| Other owners | 68 |