Exhaust system
US-2016348562-A1 · Dec 1, 2016 · US
Mechanical Engineering · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02D41/045 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 344 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 38 |
| 2016 | 56 |
| 2017 | 40 |
| 2018 | 56 |
| 2019 | 39 |
| 2020 | 41 |
| 2021 | 22 |
| 2022 | 25 |
| 2023 | 15 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2016348562-A1 · Dec 1, 2016 · US
US-9494083-B2 · Nov 15, 2016 · US
US-9482170-B2 · Nov 1, 2016 · US
US-9476375-B2 · Oct 25, 2016 · US
US-2016251011-A1 · Sep 1, 2016 · US
US-9423023-B2 · Aug 23, 2016 · US
US-2016230681-A1 · Aug 11, 2016 · US
US-2016215716-A1 · Jul 28, 2016 · US
US-9399399-B2 · Jul 26, 2016 · US
US-9376978-B2 · Jun 28, 2016 · US
US-2016177844-A1 · Jun 23, 2016 · US
US-2016131061-A1 · May 12, 2016 · US
US-2016115892-A1 · Apr 28, 2016 · US
US-2016108835-A1 · Apr 21, 2016 · US
US-2016102627-A1 · Apr 14, 2016 · US
US-9309827-B2 · Apr 12, 2016 · US
US-2016076476-A1 · Mar 17, 2016 · US
US-2016061132-A1 · Mar 3, 2016 · US
US-9267484-B2 · Feb 23, 2016 · US
US-9249753-B2 · Feb 2, 2016 · US
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