- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 7/02 - Rotary or oscillatory slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves
Patent holdings for IPC class F01L 7/02
Total number of patents in this class: 103
10-year publication summary
|
10
|
13
|
17
|
12
|
11
|
15
|
7
|
7
|
4
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RCV Engines Limited | 15 |
10 |
| Aquarius Engines (A.M.) Ltd. | 35 |
10 |
| Vaztec Engine Venture, LLC | 15 |
10 |
| Bishop Innovation Limited | 22 |
7 |
| Tour Engine, Inc. | 20 |
6 |
| Illinois Tool Works Inc. | 11152 |
2 |
| Perkins Engines Company Limited | 279 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Kaaz Corporation | 31 |
2 |
| Koenig & Bauer AG | 958 |
2 |
| LiquidPiston, Inc. | 41 |
2 |
| H2p Systems | 4 |
2 |
| Star Engine S.r.l. | 4 |
2 |
| Enginuity Power Systems, Inc. | 34 |
2 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Bright Energy Storage Technologies, LLP | 19 |
1 |
| BRP-Rotax GmbH & Co. KG | 149 |
1 |
| Other owners | 36 |