- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 17/067 - Plastics sealing rings
Patent holdings for IPC class F16L 17/067
Total number of patents in this class: 22
10-year publication summary
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0
|
3
|
1
|
1
|
3
|
8
|
2
|
3
|
0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Pillar Packing Co., Ltd. | 259 |
4 |
| Flexitallic Investments, Inc. | 90 |
3 |
| Prinsco, Inc. | 54 |
2 |
| Freudenberg Oil & Gas, LLC | 43 |
1 |
| Georg Fischer Central Plastics LLC | 34 |
1 |
| Lamons Gasket Company | 7 |
1 |
| National Oilwell Varco Denmark I/S | 133 |
1 |
| Parker Intangibles LLC | 1197 |
1 |
| Sango Co., Ltd. | 69 |
1 |
| Schluter Systems L.P. | 76 |
1 |
| Per Aarsleff A/S | 23 |
1 |
| PREDL GmbH | 17 |
1 |
| Britt Engineering Associates, Inc. | 1 |
1 |
| LGC US Asset Holdings, LLC | 53 |
1 |
| LGC US Asset Holdings | 1 |
1 |
| Jeanette Byrne | 1 |
1 |
| Other owners | 0 |