- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 23/22 - Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
Patent holdings for IPC class F16L 23/22
Total number of patents in this class: 139
10-year publication summary
|
8
|
13
|
11
|
10
|
18
|
12
|
11
|
15
|
18
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20139 |
6 |
| General Electric Technology GmbH | 1371 |
6 |
| Nippon Pillar Packing Co., Ltd. | 245 |
6 |
| Victaulic Company | 614 |
6 |
| LGC US Asset Holdings, LLC | 54 |
6 |
| ASC Engineered Solutions, LLC | 308 |
6 |
| Mueller International, LLC | 725 |
4 |
| Crompton Technology Group Limited | 158 |
3 |
| Edwards Limited | 788 |
3 |
| Kubota Corporation | 4030 |
3 |
| M-flow Technologies Ltd | 27 |
3 |
| SPM Oil & Gas Inc. | 332 |
3 |
| Toyota Motor Corporation | 33077 |
2 |
| Raytheon Company | 8402 |
2 |
| Carrier Corporation | 4303 |
2 |
| Cairn5 LLC | 6 |
2 |
| DCI, Inc. | 5 |
2 |
| ElringKlinger AG | 544 |
2 |
| Flexitallic Investments, Inc. | 87 |
2 |
| Glatt GmbH | 147 |
2 |
| Other owners | 68 |