Pump for an engine
US-10113546-B2 · Oct 30, 2018 · 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 | F04C2/14 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 144 |
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 | 17 |
| 2016 | 15 |
| 2017 | 20 |
| 2018 | 17 |
| 2019 | 20 |
| 2020 | 11 |
| 2021 | 11 |
| 2022 | 11 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gear pump and printing apparatus provided with same
US-10112406-B2 · Oct 30, 2018 · US
Balance shaft module
US-10107287-B2 · Oct 23, 2018 · US
Fuel flow control assembly of aircraft engine and method
US-2018209419-A1 · Jul 26, 2018 · US
Method for lubricating a coupling shaft for gear pump
US-10024319-B2 · Jul 17, 2018 · US
Lubricating fluid system for a vehicle with self compensation plate
US-10018083-B2 · Jul 10, 2018 · US
Pump device
US-2018180043-A1 · Jun 28, 2018 · US
Gear pump bearing
US-2018051743-A1 · Feb 22, 2018 · US
Gear pump and printing apparatus provided with same
US-2017334212-A1 · Nov 23, 2017 · US
Gear Pump
US-2017335846-A1 · Nov 23, 2017 · US
Internal gear pump
US-9810215-B2 · Nov 7, 2017 · US
Balance shaft module
US-2017314556-A1 · Nov 2, 2017 · US
Positive displacement pump including an unloading device
US-2017314553-A1 · Nov 2, 2017 · US
Magnetically controlled valve and pump devices and methods of using the same
US-2017298966-A1 · Oct 19, 2017 · US
Gear pump for a waste heat recovery system
US-2017268503-A1 · Sep 21, 2017 · US
Gear pump and printing apparatus provided with same
US-9751321-B2 · Sep 5, 2017 · US
Internal gear pump
US-9751512-B2 · Sep 5, 2017 · US
Two stage pump, particularly provided as main pump for supplying an aircraft engine with fuel
US-9752575-B2 · Sep 5, 2017 · US
Sealing for a pump device
US-9709056-B2 · Jul 18, 2017 · US
Gear pump
US-2017184095-A1 · Jun 29, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C2/14?
- CPC F04C2/14 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F04C2/14 (Mechanical Engineering)?
- Our database includes 144 publications tagged with this CPC code.
- Is patent activity under CPC F04C2/14 growing?
- Publication counts under this code: 12 in 2024 vs 2 in 2025 (latest complete years).