- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 18/56 - Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
Patent holdings for IPC class F04C 18/56
Total number of patents in this class: 13
10-year publication summary
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2
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0
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2
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2
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5
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0
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2
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1
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| R-718 Spindel GbR | 3 |
3 |
| Robert Bosch GmbH | 40953 |
2 |
| Exponential Technologies, Inc. | 37 |
2 |
| Steffens, Ralf | 2 |
2 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Klein, Steffen | 1 |
1 |
| Hella GmbH & Co. KGaA | 1392 |
1 |
| Steffen Klein | 1 |
1 |
| Other owners | 0 |