- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 9/24 - Members preventing rotation of rings in grooves
Patent holdings for IPC class F16J 9/24
Total number of patents in this class: 20
10-year publication summary
|
2
|
3
|
1
|
0
|
1
|
2
|
0
|
1
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Burckhardt Compression AG | 116 |
2 |
| Cox Powertrain Ltd | 54 |
2 |
| Kabushiki Kaisha Riken | 265 |
2 |
| Saint-Gobain Performance Plastics L+S GMBH | 12 |
2 |
| Rtx Corporation | 8674 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Nissan North America, Inc. | 338 |
1 |
| Asso Werke S.r.l. | 2 |
1 |
| Audi AG | 7153 |
1 |
| Brp-powertrain GmbH & Co. KG. | 9 |
1 |
| FPT Industrial S.p.A. | 134 |
1 |
| MAHLE International GmbH | 2670 |
1 |
| Stein Seal Company | 69 |
1 |
| WABCO GmbH | 483 |
1 |
| MAHLE Konig Kommanditgesellschaft GmbH & Co. | 6 |
1 |
| Other owners | 0 |