Pressure control by phase current and initial adjustment at car line
US-9528519-B2 · Dec 27, 2016 · US
Prime movers
Prime movers · 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 | F04C15/008 |
| Official title | {Prime movers} |
| Display label | Prime movers |
| Total patents | 406 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 31 |
| 2016 | 45 |
| 2017 | 43 |
| 2018 | 42 |
| 2019 | 58 |
| 2020 | 30 |
| 2021 | 37 |
| 2022 | 35 |
| 2023 | 28 |
| 2024 | 22 |
| 2025 | 28 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric pump
US-2016356271-A1 · Dec 8, 2016 · US
Oil pump device
US-2016348673-A1 · Dec 1, 2016 · US
Fuel pump
US-2016333875-A1 · Nov 17, 2016 · US
Control system for variable displacement pump
US-9477231-B2 · Oct 25, 2016 · US
Vehicle
US-2016297385-A1 · Oct 13, 2016 · US
Lubrication system automatic shutoff
US-9458966-B2 · Oct 4, 2016 · US
Electric pump unit
US-9441628-B2 · Sep 13, 2016 · US
System Including High-Side and Low-Side Compressors
US-2016258656-A1 · Sep 8, 2016 · US
Electro-hydraulic drive system
US-9435324-B2 · Sep 6, 2016 · US
Sealing structure, vacuum pump motor including same sealing structure, and vacuum pump
US-9429166-B2 · Aug 30, 2016 · US
Fluid pump
US-2016245284-A1 · Aug 25, 2016 · US
Vehicle hydraulic supply apparatus
US-2016230756-A1 · Aug 11, 2016 · US
Miniature high pressure pump and electrical hydraulic actuation system
US-2016201694-A1 · Jul 14, 2016 · US
Lubricant reservoir low level indicator
US-2016186929-A1 · Jun 30, 2016 · US
Split Shell Shaft Coupling for Submersible Pump Assemblies
US-2016186731-A1 · Jun 30, 2016 · US
Variable displacement oil pump
US-2016177950-A1 · Jun 23, 2016 · US
Hydraulic control unit having interface plate disposed between housing and pump
US-2016160982-A1 · Jun 9, 2016 · US
Metal Bellows with Guide Rings
US-2016138375-A1 · May 19, 2016 · US
G-rotor pump assembly
US-2016138587-A1 · May 19, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04C15/008?
- CPC F04C15/008 is the Cooperative Patent Classification code for “Prime movers.”
- How many patents are filed under CPC F04C15/008 (Prime movers)?
- Our database includes 406 publications tagged with this CPC code.
- Is patent activity under CPC F04C15/008 growing?
- Publication counts under this code: 22 in 2024 vs 28 in 2025 (latest complete years).