- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 13/04 - Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder
Patent holdings for IPC class F01B 13/04
Total number of patents in this class: 23
10-year publication summary
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3
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3
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1
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0
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4
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0
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0
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0
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44327 |
2 |
| Hydro-Gear Limited Partnership | 329 |
2 |
| Knob Engines s.r.o. | 6 |
2 |
| Poclain Hydraulics Industrie | 245 |
2 |
| Hitachi Construction Machinery Co., Ltd. | 2774 |
1 |
| Ford Global Technologies, LLC | 21613 |
1 |
| Caterpillar Inc. | 10316 |
1 |
| Hamilton Sundstrand Corporation | 5011 |
1 |
| Komatsu Ltd. | 4786 |
1 |
| Kawasaki Heavy Industries, Limited | 1696 |
1 |
| Actuant Corporation | 76 |
1 |
| Brueninghaus Hydromatik GmbH | 10 |
1 |
| Danfoss Power Solutions Inc. | 112 |
1 |
| Eagle Industry Co., Ltd. | 1185 |
1 |
| Kanzaki Kokyukoki Mfg. Co., Ltd. | 189 |
1 |
| Parker Intangibles LLC | 1163 |
1 |
| Universidad Politecnica de Madrid | 306 |
1 |
| Danfoss A/S | 1447 |
1 |
| Tribo Dynamics, Incorporated | 1 |
1 |
| Other owners | 0 |