- 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 23/22 - 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: 129
10-year publication summary
|
10
|
9
|
14
|
11
|
11
|
20
|
14
|
16
|
17
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
6 |
| Nippon Pillar Packing Co., Ltd. | 269 |
6 |
| ASC Engineered Solutions, LLC | 278 |
6 |
| Victaulic Company | 664 |
5 |
| General Electric Technology GmbH | 1657 |
4 |
| LGC US Asset Holdings, LLC | 49 |
4 |
| Crompton Technology Group Limited | 143 |
3 |
| Edwards Limited | 764 |
3 |
| ElringKlinger AG | 487 |
3 |
| Kubota Corporation | 3054 |
3 |
| M-flow Technologies Ltd | 27 |
3 |
| SPM Oil & Gas Inc. | 304 |
3 |
| Toyota Motor Corporation | 28582 |
2 |
| Raytheon Company | 8535 |
2 |
| Carrier Corporation | 4759 |
2 |
| DCI, Inc. | 5 |
2 |
| Flexitallic Investments, Inc. | 93 |
2 |
| Glatt GmbH | 119 |
2 |
| LPW Technology Ltd. | 58 |
2 |
| Modgal Metal (99) Ltd. | 12 |
2 |
| Other owners | 64 |