- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 47/08 - Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket
Patent holdings for IPC class F16L 47/08
Total number of patents in this class: 78
10-year publication summary
|
7
|
8
|
11
|
10
|
3
|
10
|
9
|
2
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| North American Pipe Corporation | 43 |
11 |
| S & B Technical Products, Inc. | 89 |
11 |
| Hultec Acquisition, LLC | 21 |
5 |
| IPM S.r.l. | 10 |
3 |
| Trelleborg Pipe Seals Lelystad BV | 20 |
3 |
| Keith R. Bunn, Sr. | 5 |
3 |
| Future Pipe Industries Group Limited | 10 |
2 |
| IPS Corporation | 140 |
2 |
| Pipes & Fittings EQOfluids S.L. | 12 |
2 |
| 9352-4585 Quebec Inc. | 5 |
2 |
| Trelleborg Pipe Seals B.V. | 2 |
2 |
| Westlake Pipe & Fittings Corporation | 54 |
2 |
| A. Raymond et Cie | 709 |
1 |
| Advanced Drainage Systems, Inc. | 322 |
1 |
| AGS I-Prop, LLC | 5 |
1 |
| ContiTech Anoflex SAS | 6 |
1 |
| Huliot Agricultural Cooperative Society Ltd | 7 |
1 |
| Imperial Sheet Metal Ltd. | 2 |
1 |
| Kubota Corporation | 3501 |
1 |
| Lupke, Manfred A. A. | 14 |
1 |
| Other owners | 22 |