Hydraulic Gerotor pump for automatic transmission
US-11614158-B2 · Mar 28, 2023 · US
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similar
similar · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F05C2251/044 |
| Official title | similar |
| Display label | similar |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Twin-shaft pumps with thermal breaks
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Vane pump
US-11428222-B2 · Aug 30, 2022 · US
Hydraulic gerotor pump for automatic transmission
US-2022010874-A1 · Jan 13, 2022 · US
Vane pump
US-2021062810-A1 · Mar 4, 2021 · US
Twin-shaft pumps
US-2020124050-A1 · Apr 23, 2020 · US
Motor-operated compressor
US-2019264689-A1 · Aug 29, 2019 · US
Gear pump bearing
US-10330145-B2 · Jun 25, 2019 · US
Gear pump bearing
US-10294985-B2 · May 21, 2019 · US
Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine
US-10253775-B2 · Apr 9, 2019 · US
Bearing plate for supercharger
US-2018100544-A1 · Apr 12, 2018 · US
Gear pump bearing
US-2018051743-A1 · Feb 22, 2018 · US
Gear pump bearing
US-2018051742-A1 · Feb 22, 2018 · US
Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine
US-2017284398-A1 · Oct 5, 2017 · US
Rotary pump having a casing being formed with a communicating hole communicating a space that is between the side plate and the wall surface of the driving machine
US-9709057-B2 · Jul 18, 2017 · US
Oil pump
US-9482224-B2 · Nov 1, 2016 · US
Vacuum pump
US-2016201675-A1 · Jul 14, 2016 · US
Vacuum pump having rotary compressing elements
US-9255579-B2 · Feb 9, 2016 · US
Oil pump
US-2015017049-A1 · Jan 15, 2015 · US