- 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 17/067 - Plastics sealing rings
Patent holdings for IPC class F16L 17/067
Total number of patents in this class: 21
10-year publication summary
|
1
|
0
|
3
|
1
|
1
|
3
|
8
|
2
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Pillar Packing Co., Ltd. | 269 |
4 |
| Flexitallic Investments, Inc. | 93 |
2 |
| Prinsco, Inc. | 51 |
2 |
| Freudenberg Oil & Gas, LLC | 48 |
1 |
| Georg Fischer Central Plastics LLC | 30 |
1 |
| Lamons Gasket Company | 7 |
1 |
| National Oilwell Varco Denmark I/S | 135 |
1 |
| Parker Intangibles LLC | 1237 |
1 |
| Sango Co., Ltd. | 73 |
1 |
| Schluter Systems L.P. | 74 |
1 |
| Per Aarsleff A/S | 23 |
1 |
| PREDL GmbH | 17 |
1 |
| Britt Engineering Associates, Inc. | 1 |
1 |
| LGC US Asset Holdings, LLC | 49 |
1 |
| LGC US Asset Holdings | 1 |
1 |
| Jeanette Byrne | 1 |
1 |
| Other owners | 0 |