- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 7/16 - Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with pistons synchronously moving in tandem arrangement
Patent holdings for IPC class F01B 7/16
Total number of patents in this class: 23
10-year publication summary
|
5
|
5
|
2
|
3
|
2
|
2
|
0
|
3
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Boostheat | 14 |
2 |
| HWH Corporation | 22 |
2 |
| Indian Institute of Science | 340 |
2 |
| Joe Santa & Associates Pty Limited | 15 |
2 |
| Lawrence Livermore National Security, LLC | 1961 |
1 |
| Cool Energy, Inc. | 7 |
1 |
| Oilgear Company, The | 24 |
1 |
| Oxford Two Stroke Limited | 1 |
1 |
| Peugeot Citroen Automobiles SA | 1690 |
1 |
| Socpra Sciences et Genie S.E.C. | 207 |
1 |
| Vanderbilt University | 1976 |
1 |
| Yanmar Co., Ltd. | 1370 |
1 |
| Air Surf Inc. | 3 |
1 |
| John Russell Finley | 1 |
1 |
| Joost Engines Ltd | 2 |
1 |
| Oxford Two Stoke Ltd | 1 |
1 |
| PONS Jean Eugène | 1 |
1 |
| Daiden Zikou Kazu Seisakusyo Goudou Kaisha | 1 |
1 |
| Advanced Materials & Propulsion Engineering & Research Inc. | 1 |
1 |
| Other owners | 0 |