Rotary pump
US-12065960-B2 · Aug 20, 2024 · US
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Valve control therefor
Valve control therefor · 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 | F02B53/06 |
| Official title | Valve control therefor |
| Display label | Valve control therefor |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary Pump
US-2023383691-A1 · Nov 30, 2023 · US
Vane drive rotary combustion engine
US-11585221-B1 · Feb 21, 2023 · US
System for controlling admission volume of inlet gas for fixed RPM operation of rotary or reciprocating expander
US-11448073-B2 · Sep 20, 2022 · US
Pivot valve for rotary internal combustion engine
US-11421584-B1 · Aug 23, 2022 · US
Controlling admission volume of inlet gas for fixed rpm operation of rotary or reciprocating expander
US-2021381379-A1 · Dec 9, 2021 · US
Rotary internal combustion engine
US-11143098-B1 · Oct 12, 2021 · US
Control system for compression ignition engine
US-10801393-B2 · Oct 13, 2020 · US
Cam rotary engine power system of internal combustion type
US-2020072133-A1 · Mar 5, 2020 · US
Control system for compression ignition engine
US-2020032698-A1 · Jan 30, 2020 · US
Composite intake system and method of the rotary engine with variable intake manifold
US-10364778-B2 · Jul 30, 2019 · US
Rotary internal combustion engine
US-10138804-B2 · Nov 27, 2018 · US
A composite intake system and method of the rotary engine with variable intake manifold
US-2018274501-A1 · Sep 27, 2018 · US
Rotary internal combustion engine
US-2018045110-A1 · Feb 15, 2018 · US
Rotary internal combustion engine with variable volumetric compression ratio
US-9828906-B2 · Nov 28, 2017 · US
Rotary internal combustion engine with variable volumetric compression ratio
US-2017074160-A1 · Mar 16, 2017 · US
Rotary internal combustion engine with variable volumetric compression ratio
US-9540992-B2 · Jan 10, 2017 · US