Engine assembly
US-10487705-B2 · Nov 26, 2019 · US
using two or more pumps
using two or more pumps · 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 | F01M2001/123 |
| Official title | {using two or more pumps} |
| Display label | using two or more pumps |
| Total patents | 169 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 17 |
| 2017 | 15 |
| 2018 | 19 |
| 2019 | 18 |
| 2020 | 16 |
| 2021 | 19 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oil circulation system of internal combustion engine
US-2018347419-A1 · Dec 6, 2018 · US
Small air-cooled engine assembly with dry sump lubrication system
US-2018334934-A1 · Nov 22, 2018 · US
Gas turbine engine lubrication system
US-10107157-B2 · Oct 23, 2018 · US
Fan drive gear system auxiliary pump monitoring system
US-10107142-B2 · Oct 23, 2018 · US
Internal combustion engine for a saddle riding vehicle
US-2018283528-A1 · Oct 4, 2018 · US
FDGS auxiliary pump monitoring system
US-10072521-B2 · Sep 11, 2018 · US
Conveying device for conveying oil
US-2018252126-A1 · Sep 6, 2018 · US
Drive unit for straddled vehicle
US-2018231116-A1 · Aug 16, 2018 · US
Lubricating fluid system for a vehicle with self compensation plate
US-10018083-B2 · Jul 10, 2018 · US
Lubrication system for a turbine engine
US-2018163566-A1 · Jun 14, 2018 · US
Engine lubrication system, engine, and vehicle
US-2018142586-A1 · May 24, 2018 · US
Small air-cooled engine assembly with dry sump lubrication system
US-2018135477-A1 · May 17, 2018 · US
Internal combustion engine having at least one crankcase of the dry-sump type
US-2018106170-A1 · Apr 19, 2018 · US
Systems of preventing engine bearing damage
US-2018100415-A9 · Apr 12, 2018 · US
Lubrication system for a turbine engine
US-9909453-B2 · Mar 6, 2018 · US
Fluid conditioning system with recirculation loop and method for operating same
US-9909468-B2 · Mar 6, 2018 · US
Small air-cooled engine assembly with dry sump lubrication system
US-9903241-B2 · Feb 27, 2018 · US
Hydraulic pressure supply system of automatic transmission
US-9903468-B2 · Feb 27, 2018 · US
Anti-siphon arrangement for hydraulic systems
US-9890847-B2 · Feb 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01M2001/123?
- CPC F01M2001/123 is the Cooperative Patent Classification code for “using two or more pumps.”
- How many patents are filed under CPC F01M2001/123 (using two or more pumps)?
- Our database includes 169 publications tagged with this CPC code.
- Is patent activity under CPC F01M2001/123 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).