Seal assembly for progressive cavity pump
US-2025369442-A1 · Dec 4, 2025 · US
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Repairing methods
Repairing methods · 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 | F04C2230/80 |
| Official title | Repairing methods |
| Display label | Repairing methods |
| Total patents | 21 |
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 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Scroll pump with two-piece crankshaft
US-2025180022-A1 · Jun 5, 2025 · US
Scroll fluid machine having separable main body unit and motor unit
US-11795943-B2 · Oct 24, 2023 · US
Scroll Fluid Machine Having Separable Main Body Unit and Motor Unit
US-2022349400-A1 · Nov 3, 2022 · US
Scroll fluid machine having separable main body unit and motor unit
US-11441559-B2 · Sep 13, 2022 · US
Repair of cast iron bore inner diameter surfaces
US-10933496-B2 · Mar 2, 2021 · US
Cam liner for integrated drive generator
US-10907718-B2 · Feb 2, 2021 · US
Repair of Cast Iron Bore Inner Diameter Surfaces
US-2020114478-A1 · Apr 16, 2020 · US
Scroll-type fluid machine and maintenance method for same
US-10605083-B2 · Mar 31, 2020 · US
Cam liner for integrated drive generator
US-2019219144-A1 · Jul 18, 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
Scroll-Type Fluid Machine and Maintenance Method for Same
US-2018328358-A1 · Nov 15, 2018 · US
Scroll-Type Fluid Machine and Maintenance Method for Same
US-2018216461-A1 · Aug 2, 2018 · US
Pumping block device having an integrated bypass circuit
US-9920885-B2 · Mar 20, 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
Pumping block device having an integrated bypass circuit
US-2016290331-A1 · Oct 6, 2016 · US
Scroll Vacuum Pump and Method of Maintenance Including Replacing a Tip Seal of a Scroll Vacuum Pump
US-2016201674-A1 · Jul 14, 2016 · US
Scroll vacuum pump and method of maintenance including replacing a tip seal of a scroll vacuum pump
US-9341186-B2 · May 17, 2016 · US