- 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 23/18 - Flanged joints characterised by the sealing means the sealing means being rings
Patent holdings for IPC class F16L 23/18
Total number of patents in this class: 268
10-year publication summary
|
26
|
27
|
45
|
41
|
32
|
24
|
31
|
17
|
18
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Victaulic Company | 664 |
14 |
| LGC US Asset Holdings, LLC | 49 |
9 |
| Flexitallic Investments, Inc. | 93 |
8 |
| Glatt GmbH | 119 |
6 |
| GPT Industries, LLC | 29 |
6 |
| Hanon Systems | 1632 |
5 |
| NORMA Germany GmbH | 219 |
5 |
| Caillau | 43 |
5 |
| The Boeing Company | 19843 |
4 |
| AFGlobal UK Limited | 7 |
4 |
| ElringKlinger AG | 487 |
4 |
| General Electric Technology GmbH | 1657 |
4 |
| H J Fischer, LLC | 8 |
4 |
| kuk IL Inntot Co., Ltd. | 13 |
4 |
| Nippon Pillar Packing Co., Ltd. | 269 |
4 |
| Carrier Corporation | 4759 |
3 |
| Carl Freudenberg KG | 1346 |
3 |
| Garlock Pipeline Technologies, Inc. | 8 |
3 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 171 |
3 |
| Oiles Corporation | 515 |
3 |
| Other owners | 167 |