Internal combustion engine including through-bolt aperture and single through-bolt
US-12480438-B2 · Nov 25, 2025 · US
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with only one crankshaft of the "boxer" type, e.g. all connecting rods attached to separate crankshaft bearings
with only one crankshaft of the "boxer" type, e.g. all connecting rods attached to separate crankshaft bearings · 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 | F02B75/243 |
| Official title | {with only one crankshaft of the "boxer" type, e.g. all connecting rods attached to separate crankshaft bearings} |
| Display label | with only one crankshaft of the "boxer" type, e.g. all connecting rods attached to separate crankshaft bearings |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine including through-bolt aperture and single through-bolt
US-2025314197-A1 · Oct 9, 2025 · US
Internal combustion engine
US-11365676-B2 · Jun 21, 2022 · US
Four stroke engine, handheld work apparatus having a four stroke engine, and method for operating a four stroke engine
US-11168593-B2 · Nov 9, 2021 · US
Internal combustion engine
US-2020318536-A1 · Oct 8, 2020 · US
Four stroke engine, handheld work apparatus having a four stroke engine, and method for operating a four stroke engine
US-2020173319-A1 · Jun 4, 2020 · US
Guide element for a pressure system of an internal combustion engine, pressure system for an intake tract of an internal combustion engine, and internal combustion engine with a supercharging unit
US-10294899-B2 · May 21, 2019 · US
Internal combustion engine
US-9976494-B2 · May 22, 2018 · US
Guide element for a pressure system of an internal combustion engine, pressure system for an intake tract of an internal combustion engine, and internal combustion engine with a supercharging unit
US-2017234279-A1 · Aug 17, 2017 · US
Internal combustion engine
US-2016281614-A1 · Sep 29, 2016 · US
Dual crankshaft engine
US-8960138-B2 · Feb 24, 2015 · US