- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 23/026 - Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes by welding
Patent holdings for IPC class F16L 23/026
Total number of patents in this class: 52
10-year publication summary
|
8
|
7
|
4
|
4
|
3
|
3
|
2
|
1
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ContiTech Techno-Chemie GmbH | 77 |
3 |
| Hamilton Sundstrand Corporation | 5014 |
2 |
| Showa Denko K.K. | 2063 |
2 |
| Hanon Systems | 2125 |
2 |
| Nippon Steel Corporation | 6932 |
2 |
| Sekisui Chemical Co., Ltd. | 3633 |
2 |
| Statoil Petroleum AS | 468 |
2 |
| Evaford One Pty Ltd | 2 |
2 |
| Allectra GmbH | 4 |
2 |
| Argo GmbH | 23 |
2 |
| Siemens AG | 23996 |
1 |
| Ford Global Technologies, LLC | 21560 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
1 |
| Carrier Corporation | 3947 |
1 |
| Alcoa Inc. | 251 |
1 |
| Drägerwerk AG & Co. KGaA | 993 |
1 |
| General Electric Technology GmbH | 1336 |
1 |
| Inner Mongolia Golden Ocean New Energy Technology Corporation Co., Ltd. | 1 |
1 |
| Nihonkansen Kogyo Kabushiki Kaisha | 4 |
1 |
| Nowla Engineering Co., Ltd. | 1 |
1 |
| Other owners | 21 |