Equal-walled gerotor pump for wellbore applications
US-2019390669-A1 · Dec 26, 2019 · US
Enclosed motor pump units
Enclosed motor pump units · 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 | F04C11/008 |
| Official title | {Enclosed motor pump units} |
| Display label | Enclosed motor pump units |
| Total patents | 267 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 15 |
| 2017 | 14 |
| 2018 | 13 |
| 2019 | 33 |
| 2020 | 28 |
| 2021 | 26 |
| 2022 | 31 |
| 2023 | 26 |
| 2024 | 28 |
| 2025 | 39 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric gear pump
US-2019376454-A1 · Dec 12, 2019 · US
Vane pump
US-2019301452-A1 · Oct 3, 2019 · US
Electric pump unit
US-10400767-B2 · Sep 3, 2019 · US
Pump device
US-2019234406-A1 · Aug 1, 2019 · US
Pump module and electric pump including the same
US-10215026-B2 · Feb 26, 2019 · US
Pump unit
US-10174758-B2 · Jan 8, 2019 · US
Electric pump system and method
US-2019003477-A1 · Jan 3, 2019 · US
Pump drive for conveying a reducing agent for motor vehicle exhaust gas systems, modular motor and pump family for forming different pump drives with several such electric motors
US-2018340533-A1 · Nov 29, 2018 · US
Equal-walled gerotor pump for wellbore applications
US-10138885-B2 · Nov 27, 2018 · US
Electric motor and electric pump
US-10128720-B2 · Nov 13, 2018 · US
Hydraulic device
US-2018320674-A1 · Nov 8, 2018 · US
Rotary compressor, method of manufacturing a rotary compressor, and apparatus for manufacturing a rotary compressor
US-10047748-B2 · Aug 14, 2018 · US
Screw pump
US-2018216614-A1 · Aug 2, 2018 · US
Lobe gear pump
US-2018209418-A1 · Jul 26, 2018 · US
Fuel pump
US-10024318-B2 · Jul 17, 2018 · US
Pump device
US-2018163721-A1 · Jun 14, 2018 · US
Electric motor vehicle vacuum pump arrangement
US-9989058-B2 · Jun 5, 2018 · US
Fuel pump
US-2018112659-A1 · Apr 26, 2018 · US
Fuel pump
US-2018087504-A1 · Mar 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C11/008?
- CPC F04C11/008 is the Cooperative Patent Classification code for “Enclosed motor pump units.”
- How many patents are filed under CPC F04C11/008 (Enclosed motor pump units)?
- Our database includes 267 publications tagged with this CPC code.
- Is patent activity under CPC F04C11/008 growing?
- Publication counts under this code: 28 in 2024 vs 39 in 2025 (latest complete years).