Electric pump system and method with hollow shaft and temperature sensor
US-12460635-B2 · Nov 4, 2025 · US
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having an articulated driving shaft
having an articulated driving shaft · 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 | F04C2/104 |
| Official title | {having an articulated driving shaft} |
| Display label | having an articulated driving shaft |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Check valve and hydraulic gerotor or geroler machine
US-2024142009-A1 · May 2, 2024 · US
Electric pump system and method
US-2024060490-A1 · Feb 22, 2024 · US
Electric pump system and method
US-11821420-B2 · Nov 21, 2023 · US
Hydraulic orbital machine and method for adjusting an orbital machine
US-11598332-B2 · Mar 7, 2023 · US
Improved hydraulic orbital machine and method for adjusting an orbital machine
US-2021317830-A1 · Oct 14, 2021 · US
Hydraulic motor disc valve optimization
US-10982669-B2 · Apr 20, 2021 · US
Rotary fluid pressure device with drive-in-drive valve arrangement
US-2020270993-A1 · Aug 27, 2020 · US
Cardan shaft
US-10619677-B2 · Apr 14, 2020 · US
Rotary fluid pressure device with drive-in-drive valve arrangement
US-10590771-B2 · Mar 17, 2020 · US
Hydraulic motor disc valve optimization
US-2019136856-A1 · May 9, 2019 · US
Eccentrically piloted hydraulic commutator
US-10215154-B2 · Feb 26, 2019 · US
Electric pump system and method
US-2019003477-A1 · Jan 3, 2019 · US
Cardan shaft
US-2018051752-A1 · Feb 22, 2018 · US
Rotary fluid pressure device with drive-in-drive valve arrangement
US-2017362938-A1 · Dec 21, 2017 · US
Eccentrically piloted hydraulic commutator
US-2017159439-A1 · Jun 8, 2017 · US
Torque-generating steering device
US-9512838-B2 · Dec 6, 2016 · US
Fluid device output shaft with coating
US-2016201463-A1 · Jul 14, 2016 · US
Cardan shaft
US-2016146259-A1 · May 26, 2016 · US
Fluid device with roll pockets alternatingly pressurized at different pressures
US-9341063-B2 · May 17, 2016 · US