- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 7/16 - Sealing or packing arrangements specially therefor
Patent holdings for IPC class F01L 7/16
Total number of patents in this class: 42
10-year publication summary
|
1
|
5
|
4
|
2
|
8
|
8
|
5
|
6
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vaztec Engine Venture, LLC | 15 |
10 |
| Bishop Innovation Limited | 22 |
4 |
| Tour Engine, Inc. | 20 |
4 |
| BRP-Rotax GmbH & Co. KG | 149 |
3 |
| Dana Automotive Systems Group, LLC | 395 |
3 |
| RCV Engines Limited | 15 |
3 |
| Schaeffler Technologies AG & Co. KG | 8880 |
2 |
| Erwin Junker Grinding Technology A.S. | 27 |
2 |
| ExxonMobil Research And Engineering Company | 2830 |
1 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
1 |
| Questair Technologies Inc. | 10 |
1 |
| H2p Systems | 4 |
1 |
| James T. Ganley | 7 |
1 |
| Hevatech | 11 |
1 |
| Re-invest North America Inc | 1 |
1 |
| Re-invest Suisse GmbH | 1 |
1 |
| ThyssenKrupp Metalurgica Campo Limpo Ltda. | 4 |
1 |
| Nio Technology (AnHui) Co., Ltd. | 499 |
1 |
| Other owners | 0 |