Direct port commutator and manifold assembly
US-10947848-B2 · Mar 16, 2021 · US
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using rotating valves
using rotating 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 | F01C20/14 |
| Official title | using rotating valves |
| Display label | using rotating valves |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reversing mechanism for a power tool
US-10590770-B2 · Mar 17, 2020 · US
Displacement pump and a control ring for a displacement pump
US-10167866-B2 · Jan 1, 2019 · US
Direct port commutator and manifold assembly
US-2018371911-A1 · Dec 27, 2018 · US
Air-tight switching device for use in a pneumatic tool
US-9957798-B2 · May 1, 2018 · US
Reversible pneumatic vane motor
US-9835031-B2 · Dec 5, 2017 · US
Reversing Mechanism for a Power Tool
US-2016258291-A1 · Sep 8, 2016 · US
Gerotor pump, a gerotor motor and a gerotor transmission system
US-9377033-B2 · Jun 28, 2016 · US
Air-tight switching device for use in a pneumatic tool
US-2015275669-A1 · Oct 1, 2015 · US
Displacement pump and a control ring for a displacement pump
US-2015198158-A1 · Jul 16, 2015 · US
Gerotor apparatus for a quasi-isothermal brayton cycle engine
US-2015152732-A1 · Jun 4, 2015 · US