- 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 9/22 - Pipes composed of a plurality of segments
Patent holdings for IPC class F16L 9/22
Total number of patents in this class: 147
10-year publication summary
|
21
|
25
|
16
|
14
|
17
|
10
|
13
|
13
|
5
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Abell Foundation, Inc. | 34 |
9 |
| Halliburton Energy Services, Inc. | 20165 |
7 |
| Kohler Co. | 4165 |
6 |
| BASF SE | 19740 |
4 |
| Shonan Gosei-Jushi Seisakusho K.K. | 44 |
4 |
| Construction Research & Technology GmbH | 640 |
3 |
| Hyperloop Technologies, Inc. | 207 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| Polyvent Pty Ltd | 3 |
3 |
| Lockheed Martin Corporation | 3406 |
2 |
| Balfour Beatty plc | 49 |
2 |
| Infiltrator Water Technologies, LLC | 48 |
2 |
| Jensen Enterprises, Inc. | 13 |
2 |
| Walsh Intellectual Property Ltd. | 5 |
2 |
| Rectorseal, LLC | 84 |
2 |
| PG Invention B.V. | 2 |
2 |
| Rendely, Wayne | 2 |
2 |
| Hiptec AS | 12 |
2 |
| Innovation to Industry Limited | 3 |
2 |
| ACO Ahlmann SE & Co. KG | 248 |
2 |
| Other owners | 83 |