- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 15/16 - Arrangements with several co-operating main valves, e.g. reciprocatory and rotary with reciprocatory slide valves only
Patent holdings for IPC class F01L 15/16
Total number of patents in this class: 6
10-year publication summary
|
0
|
2
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Joe Santa & Associates Pty Limited | 15 |
2 |
| Cogen Microsystems Pty Ltd | 2 |
1 |
| National Oilwell Varco, L.P. | 1604 |
1 |
| Thermal Power Recovery LLC | 12 |
1 |
| Graf S.p.A. | 11 |
1 |
| Other owners | 0 |