- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 23/00 - Flanged joints
Patent holdings for IPC class F16L 23/00
Total number of patents in this class: 452
10-year publication summary
|
53
|
42
|
40
|
49
|
27
|
33
|
29
|
15
|
23
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Victaulic Company | 617 |
21 |
| NORMA Germany GmbH | 235 |
15 |
| TDW Delaware, Inc. | 170 |
6 |
| The Boeing Company | 20161 |
5 |
| Emerson Process Management Regulator Technologies, Inc. | 383 |
5 |
| Caillau | 47 |
5 |
| "agru" Kunststofftechnik Gesellschaft m.b.H. | 60 |
4 |
| Fisher Controls International LLC | 1505 |
4 |
| Fisher & Paykel Healthcare Limited | 2523 |
4 |
| SGL Carbon SE | 391 |
4 |
| Volvo Truck Corporation | 3519 |
4 |
| Oetiker NY, Inc. | 116 |
4 |
| General Electric Company | 13859 |
3 |
| Halliburton Energy Services, Inc. | 21006 |
3 |
| BASF SE | 21080 |
3 |
| Hamilton Sundstrand Corporation | 4950 |
3 |
| Etablissements Caillau | 38 |
3 |
| Flange Cuff, L.L.C. | 5 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 873 |
3 |
| Rosemount Inc. | 1194 |
3 |
| Other owners | 347 |