- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans 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: 285
10-year publication summary
|
25
|
36
|
36
|
29
|
23
|
29
|
16
|
19
|
16
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Victaulic Company | 614 |
15 |
| LGC US Asset Holdings, LLC | 54 |
10 |
| Flexitallic Investments, Inc. | 87 |
8 |
| GPT Industries, LLC | 37 |
8 |
| General Electric Technology GmbH | 1373 |
6 |
| Caillau | 46 |
6 |
| Glatt GmbH | 147 |
5 |
| H J Fischer, LLC | 9 |
5 |
| Hanon Systems | 1988 |
5 |
| NORMA Germany GmbH | 233 |
5 |
| The Boeing Company | 20139 |
4 |
| ElringKlinger AG | 543 |
4 |
| kuk IL Inntot Co., Ltd. | 14 |
4 |
| Nippon Pillar Packing Co., Ltd. | 245 |
4 |
| Carrier Corporation | 4299 |
3 |
| Carl Freudenberg KG | 1374 |
3 |
| Garlock Pipeline Technologies, Inc. | 4 |
3 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 174 |
3 |
| Ihara Science Corporation | 31 |
3 |
| Oiles Corporation | 518 |
3 |
| Other owners | 178 |