- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 5/04 - Slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves
Patent holdings for IPC class F01L 5/04
Total number of patents in this class: 17
10-year publication summary
|
3
|
3
|
3
|
5
|
4
|
0
|
1
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GM Global Technology Operations LLC | 13620 |
2 |
| Joe Santa & Associates Pty Limited | 15 |
2 |
| Tour Engine, Inc. | 20 |
2 |
| Bright Energy Storage Technologies, LLP | 19 |
1 |
| Dana Automotive Systems Group, LLC | 395 |
1 |
| Grace Capital Partners, LLC | 4 |
1 |
| Libertine FPE Ltd. | 29 |
1 |
| MANN+HUMMEL GmbH | 1682 |
1 |
| RENAULT s.a.s. | 5674 |
1 |
| Sturman Digital Systems, LLC | 41 |
1 |
| University of Idaho | 100 |
1 |
| Graf S.p.A. | 11 |
1 |
| Enginuity Power Systems, Inc. | 34 |
1 |
| Lse R&D Engineering Limited | 6 |
1 |
| Other owners | 0 |