- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 23/028 - 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 the flanges being held against a shoulder
Patent holdings for IPC class F16L 23/028
Total number of patents in this class: 132
10-year publication summary
|
12
|
7
|
13
|
12
|
11
|
9
|
7
|
9
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Magma Global Limited | 54 |
5 |
| MariCap Oy | 188 |
4 |
| Mueller International, LLC | 707 |
4 |
| Poulton Technologies Limited | 14 |
4 |
| The Boeing Company | 19911 |
3 |
| Fujikin Incorporated | 690 |
3 |
| Hanon Systems | 1819 |
3 |
| Parker-Hannifin Corporation | 1022 |
3 |
| Siemens AG | 24565 |
2 |
| Showa Denko K.K. | 2337 |
2 |
| A. Y. McDonald Mfg. Co. (an Iowa corporation) | 19 |
2 |
| "agru" Kunststofftechnik Gesellschaft m.b.H. | 62 |
2 |
| Gs-hydro Oy | 4 |
2 |
| Lindsay Corporation | 235 |
2 |
| Nippon Steel Corporation | 6012 |
2 |
| Odin Connect AS | 3 |
2 |
| Sekisui Chemical Co., Ltd. | 3308 |
2 |
| SRI Energy Inc. | 31 |
2 |
| Total SA | 504 |
2 |
| Victaulic Company | 636 |
2 |
| Other owners | 79 |