Piston for internal combustion engine
US-10890135-B2 · Jan 12, 2021 · US
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the pistons having an oval circumference or non-cylindrical shaped skirts, e.g. oval (F02F3/025, F02F3/027 take precedence)
the pistons having an oval circumference or non-cylindrical shaped skirts, e.g. oval (F02F3/025, F02F3/027 take precedence) · 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 | F02F3/022 |
| Official title | {the pistons having an oval circumference or non-cylindrical shaped skirts, e.g. oval (F02F3/025, F02F3/027 take precedence)} |
| Display label | the pistons having an oval circumference or non-cylindrical shaped skirts, e.g. oval (F02F3/025, F02F3/027 take precedence) |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston
US-10774931-B2 · Sep 15, 2020 · US
Internal combustion engine
US-10760524-B2 · Sep 1, 2020 · US
Piston For Internal Combustion Engine
US-2020095952-A1 · Mar 26, 2020 · US
Reciprocating piston engine
US-2020032738-A1 · Jan 30, 2020 · US
Internal combustion engine
US-2019338723-A1 · Nov 7, 2019 · US
Piston For An Internal Combustion Engine and Production Method Therefore
US-2018372020-A1 · Dec 27, 2018 · US
Piston
US-2018306320-A1 · Oct 25, 2018 · US
Piston top land structure
US-10030604-B2 · Jul 24, 2018 · US
Piston top land structure
US-2018030921-A1 · Feb 1, 2018 · US
Piston for internal combustion engines
US-9828938-B2 · Nov 28, 2017 · US
Piston for internal combustion engines
US-2016348611-A1 · Dec 1, 2016 · US
Piston for an internal combustion engine, and production method therefor
US-2016245223-A1 · Aug 25, 2016 · US
Piston for internal combustion engine
US-2016186685-A1 · Jun 30, 2016 · US