- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 47/12 - 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 additional locking means
Patent holdings for IPC class F16L 47/12
Total number of patents in this class: 73
10-year publication summary
|
6
|
17
|
6
|
5
|
7
|
3
|
1
|
3
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| North American Pipe Corporation | 35 |
8 |
| S & B Technical Products, Inc. | 84 |
4 |
| Westlake Pipe & Fittings Corporation | 77 |
4 |
| Taylor Kerr (Couplings) Limited | 19 |
3 |
| E. Hawle Armaturenwerke GmbH | 19 |
2 |
| Ipex Technologies Inc. | 117 |
2 |
| Rehau AG + Co | 356 |
2 |
| Airbus Atlantic | 128 |
2 |
| E. I. du Pont de Nemours and Company | 3534 |
1 |
| Hyundai Motor Company | 24653 |
1 |
| Bridgestone Corporation | 7259 |
1 |
| Kia Motors Corporation | 7718 |
1 |
| Hubbell Incorporated | 3442 |
1 |
| ABB Schweiz AG | 7607 |
1 |
| JPMorgan Chase Bank, National Association | 8956 |
1 |
| A. Raymond et Cie | 712 |
1 |
| Acorn Engineering Company | 182 |
1 |
| ContiTech MGW GmbH | 38 |
1 |
| ContiTech Techno-Chemie GmbH | 78 |
1 |
| Crane Limited | 43 |
1 |
| Other owners | 34 |