- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 35/04 - Arrangements of valves in the machine or engine, e.g. relative to working cylinder
Patent holdings for IPC class F01L 35/04
Total number of patents in this class: 4
10-year publication summary
|
0
|
2
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Thermal Power Recovery LLC | 12 |
2 |
| Warren Engine Company, Inc. | 1 |
1 |
| Enginuity Power Systems, Inc. | 35 |
1 |
| Other owners | 0 |