- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means 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: 131
10-year publication summary
|
18
|
12
|
7
|
13
|
12
|
11
|
9
|
6
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MariCap Oy | 182 |
5 |
| Hanon Systems | 1632 |
4 |
| Magma Global Limited | 51 |
4 |
| Poulton Technologies Limited | 14 |
4 |
| The Boeing Company | 19843 |
3 |
| Fujikin Incorporated | 671 |
3 |
| Mueller International, LLC | 694 |
3 |
| Parker-Hannifin Corporation | 999 |
3 |
| Siemens AG | 24990 |
2 |
| Showa Denko K.K. | 2539 |
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 | 229 |
2 |
| Nippon Steel Corporation | 5649 |
2 |
| Odin Connect AS | 3 |
2 |
| Sekisui Chemical Co., Ltd. | 3159 |
2 |
| Total SA | 520 |
2 |
| Victaulic Company | 664 |
2 |
| Trinity Bay Equipment Holdings, LLC | 244 |
2 |
| Other owners | 78 |