Aircraft engine lubrication circuit and method, using a non-return pressurisation valve with two plugs
US-11466599-B2 · Oct 11, 2022 · US
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comprising non-return valves
comprising non-return valves · 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 | F01M2001/1085 |
| Official title | {comprising non-return valves} |
| Display label | comprising non-return valves |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 4 |
| 2022 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exchangeable filter system
US-11298637-B2 · Apr 12, 2022 · US
Cooling and lubrication system for a motor vehicle drive unit
US-11242019-B2 · Feb 8, 2022 · US
Control device for electric motor and hydraulic pressure supply system
US-10746171-B2 · Aug 18, 2020 · US
Oil housing, filter element, and valving assembly for providing pre-charged oil volume changes
US-2020191028-A1 · Jun 18, 2020 · US
Exchangeable Filter System
US-2020147530-A1 · May 14, 2020 · US
Cooling and Lubrication System for a Motor Vehicle Drive Unit
US-2020114848-A1 · Apr 16, 2020 · US
Fluid system
US-10502104-B2 · Dec 10, 2019 · US
Strainer device
US-10391431-B2 · Aug 27, 2019 · US
Aircraft engine lubrication circuit and method, using a non-return pressurisation valve with two plugs
US-2018371967-A1 · Dec 27, 2018 · US
Control device for electric motor and hydraulic pressure supply system
US-2018347416-A1 · Dec 6, 2018 · US
Oil jet device
US-9850791-B2 · Dec 26, 2017 · US
Strainer device
US-2017296947-A1 · Oct 19, 2017 · US
Fluid System
US-2017089234-A1 · Mar 30, 2017 · US
Oil jet device
US-2016290188-A1 · Oct 6, 2016 · US
Apparatus and method for replacing an oil pressure regulating assembly and a high pressure relief valve assembly
US-8925196-B2 · Jan 6, 2015 · US