Oil pump
US-9482224-B2 · Nov 1, 2016 · US
Mechanical Engineering
Mechanical Engineering · 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 | F04C2/102 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 648 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 52 |
| 2016 | 63 |
| 2017 | 54 |
| 2018 | 65 |
| 2019 | 76 |
| 2020 | 64 |
| 2021 | 58 |
| 2022 | 60 |
| 2023 | 53 |
| 2024 | 53 |
| 2025 | 43 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric pump unit
US-9441628-B2 · Sep 13, 2016 · US
Gerotor pump, a gerotor motor and a gerotor transmission system
US-9377033-B2 · Jun 28, 2016 · US
Rotary pump and braking system having the same
US-9358967-B2 · Jun 7, 2016 · US
Fluid-pump inner rotor
US-2016146205-A1 · May 26, 2016 · US
Pump having fitting portions
US-9291163-B2 · Mar 22, 2016 · US
Pump rotor and internal gear pump using the same
US-9273688-B2 · Mar 1, 2016 · US
Electric motor, pump device using electric motor, and stator
US-2016020659-A1 · Jan 21, 2016 · US
Control device for oil pump
US-2015377098-A1 · Dec 31, 2015 · US
Relief device for oil circuit of engine
US-2015377234-A1 · Dec 31, 2015 · US
Internal Gear Pump
US-2015369242-A1 · Dec 24, 2015 · US
Semi-plugged star gerotor and method of assembling the same
US-9217430-B2 · Dec 22, 2015 · US
Oil pump for automatic transmission
US-2015361978-A1 · Dec 17, 2015 · US
Electric Motor And Electric Pump
US-2015357886-A1 · Dec 10, 2015 · US
Oil pump
US-2015354564-A1 · Dec 10, 2015 · US
Pump device
US-2015354563-A1 · Dec 10, 2015 · US
Pump
US-2015337835-A1 · Nov 26, 2015 · US
Submersible transmission fluid pump assembly
US-2015316062-A1 · Nov 5, 2015 · US
Electric oil pump system
US-9175680-B2 · Nov 3, 2015 · US
Rotating pump and brake system using same
US-9163627-B2 · Oct 20, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2/102?
- CPC F04C2/102 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F04C2/102 (Mechanical Engineering)?
- Our database includes 648 publications tagged with this CPC code.
- Is patent activity under CPC F04C2/102 growing?
- Publication counts under this code: 53 in 2024 vs 43 in 2025 (latest complete years).