Adjustable pump for pumping a liquid food product
US-2026078755-A1 · Mar 19, 2026 · US
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Methods for improvement by repair or exchange of parts
Methods for improvement by repair or exchange of parts · 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 | F04C2230/85 |
| Official title | Methods for improvement by repair or exchange of parts |
| Display label | Methods for improvement by repair or exchange of parts |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Seal assembly for progressive cavity pump
US-2025369442-A1 · Dec 4, 2025 · US
Scroll pump with two-piece crankshaft
US-2025180022-A1 · Jun 5, 2025 · US
Pendulum oil pump
US-11828288-B2 · Nov 28, 2023 · US
Hydraulic motor subassembly kit with carrier
US-11319952-B2 · May 3, 2022 · US
Pendulum oil pump
US-2022128050-A1 · Apr 28, 2022 · US
Pendulum oil pump
US-11248601-B2 · Feb 15, 2022 · US
Pump sleeve for integrated drive generator
US-10962005-B2 · Mar 30, 2021 · US
Hydraulic motor subassembly kit with carrier
US-2021003128-A1 · Jan 7, 2021 · US
Pendulum oil pump
US-2020277954-A1 · Sep 3, 2020 · US
Oil-flooded screw compressor system and method for modifying the same
US-10662947-B2 · May 26, 2020 · US
Intermediate discharge port for a compressor
US-10480513-B2 · Nov 19, 2019 · US
Pump sleeve for integrated drive generator
US-2019145410-A1 · May 16, 2019 · US
Remanufacturing a transmission pump assembly
US-2019107108-A1 · Apr 11, 2019 · US
Remanufacturing a transmission pump assembly
US-10180137-B2 · Jan 15, 2019 · US
Housing and method of manufacturing the same
US-10138879-B2 · Nov 27, 2018 · US
Intermediate discharge port for a compressor
US-2018245595-A1 · Aug 30, 2018 · US
Oil-flooded screw compressor system and method for modifying the same
US-2018023571-A1 · Jan 25, 2018 · US
Scroll vacuum pump and method of maintenance including replacing a tip seal of a scroll vacuum pump
US-9822780-B2 · Nov 21, 2017 · US
Remanufacturing a transmission pump assembly
US-2017130714-A1 · May 11, 2017 · US