- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 9/04 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups with rotary main shaft other than crankshaft
Patent holdings for IPC class F01B 9/04
Total number of patents in this class: 58
10-year publication summary
|
9
|
13
|
11
|
14
|
10
|
3
|
2
|
6
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CV Group, LLC | 7 |
4 |
| Mce-5 Development | 36 |
4 |
| Enfield Engine Company, LLC | 7 |
3 |
| Newlenoir Limited | 21 |
3 |
| The Boeing Company | 20193 |
2 |
| Firestone Industrial Products Company, LLC | 326 |
2 |
| Rabhi, Vianney | 7 |
2 |
| z Mechanism Technology Institute Co., Ltd. | 8 |
2 |
| FNF Innovation Sh.p.k. | 14 |
2 |
| EKU Power Drives GMBH | 3 |
2 |
| Airbus Operations GmbH | 3463 |
1 |
| Lawrence Livermore National Security, LLC | 1983 |
1 |
| Baustoffwerke Gebhart & Sohne GmbH & Co. KG | 18 |
1 |
| HTS, LLC | 24 |
1 |
| Isuzu Motors Limited | 2334 |
1 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 571 |
1 |
| Mce-5 Development S.A. | 2 |
1 |
| Ragain Air Compressors, Inc. | 2 |
1 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 80 |
1 |
| The Trustees of the Stevens Institute of Technology | 179 |
1 |
| Other owners | 22 |