- 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: 441
10-year publication summary
|
56
|
46
|
45
|
51
|
27
|
36
|
28
|
17
|
22
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Victaulic Company | 615 |
22 |
| NORMA Germany GmbH | 224 |
13 |
| The Boeing Company | 20013 |
5 |
| Emerson Process Management Regulator Technologies, Inc. | 380 |
5 |
| Volvo Truck Corporation | 3306 |
5 |
| Caillau | 44 |
5 |
| "agru" Kunststofftechnik Gesellschaft m.b.H. | 62 |
4 |
| Fisher Controls International LLC | 1485 |
4 |
| Fisher & Paykel Healthcare Limited | 2457 |
4 |
| SGL Carbon SE | 387 |
4 |
| TDW Delaware, Inc. | 167 |
4 |
| Gall Thomson Environmental Limited | 13 |
4 |
| General Electric Company | 13829 |
3 |
| Halliburton Energy Services, Inc. | 20749 |
3 |
| BASF SE | 20777 |
3 |
| Hamilton Sundstrand Corporation | 4832 |
3 |
| Equalizer International Limited | 6 |
3 |
| Etablissements Caillau | 38 |
3 |
| Flange Cuff, L.L.C. | 5 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 824 |
3 |
| Other owners | 338 |