- 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 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: 70
10-year publication summary
|
3
|
6
|
6
|
17
|
6
|
5
|
7
|
3
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| North American Pipe Corporation | 48 |
11 |
| S & B Technical Products, Inc. | 86 |
3 |
| Taylor Kerr (Couplings) Limited | 19 |
3 |
| ContiTech MGW GmbH | 51 |
2 |
| E. Hawle Armaturenwerke GmbH | 22 |
2 |
| Ipex Technologies Inc. | 89 |
2 |
| KE KELIT Kunststoffwerk Gesellschaft m.b.H. | 24 |
2 |
| McWane, Inc. | 93 |
2 |
| Rehau AG + Co | 419 |
2 |
| 9352-4585 Quebec Inc. | 5 |
2 |
| Trelleborg Pipe Seals B.V. | 2 |
2 |
| E. I. du Pont de Nemours and Company | 4345 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Bridgestone Corporation | 7067 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Hubbell Incorporated | 3052 |
1 |
| A. Raymond et Cie | 684 |
1 |
| Acorn Engineering Company | 167 |
1 |
| Ashirvad Pipes Pvt. Ltd.. | 5 |
1 |
| Crane Limited | 44 |
1 |
| Other owners | 28 |