- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 3/04 - Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis the piston motion being transmitted by curved surfaces
Patent holdings for IPC class F01B 3/04
Total number of patents in this class: 37
10-year publication summary
|
7
|
5
|
4
|
2
|
7
|
3
|
4
|
0
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HTS, LLC | 23 |
4 |
| Cool Energy, Inc. | 6 |
3 |
| Innengine, S.L. | 3 |
3 |
| GETAS Gesellschaft für thermodynamische Antriebssysteme mbH | 15 |
3 |
| Griend Holding B.V. | 2 |
2 |
| Eindhoven Medical Robotics B.V. | 22 |
2 |
| Zpe Ltd | 4 |
2 |
| Robert Bosch GmbH | 43788 |
1 |
| Koninklijke Philips N.V. | 25697 |
1 |
| Axial Vector Energy Corporation | 1 |
1 |
| The Fountainhead Group, Inc. | 102 |
1 |
| Isuzu Motors Limited | 2314 |
1 |
| McVan Aerospace, LLC | 2 |
1 |
| Mitaka Kohki Co., Ltd. | 48 |
1 |
| Newcomen S.r.l. | 1 |
1 |
| Shepherd Inventor Limited | 2 |
1 |
| University of Bradford | 55 |
1 |
| Cobham Mission Systems Davenport LSS Inc. | 70 |
1 |
| Advanced Engine Dynamics Corporation | 1 |
1 |
| Fairdiesel Limited | 1 |
1 |
| Other owners | 5 |