Construction machine
US-2021293208-A1 · Sep 23, 2021 · US
Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve
Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve · 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 | F02M35/084 |
| Official title | {Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve} |
| Display label | Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Centrifugal air filter for an automotive system
US-11125192-B2 · Sep 21, 2021 · US
Precleaner system
US-11118545-B2 · Sep 14, 2021 · US
Air cleaner
US-2021199078-A1 · Jul 1, 2021 · US
Siloxane mitigation in machine system having blower for pressure drop compensation
US-2021190017-A1 · Jun 24, 2021 · US
Filter and Filter Cartridge
US-2021172409-A1 · Jun 10, 2021 · US
Filter and filter cartridge
US-10961957-B2 · Mar 30, 2021 · US
Filter and filter cartridge
US-10954899-B2 · Mar 23, 2021 · US
Internal combustion engine having air cleaner
US-10920720-B2 · Feb 16, 2021 · US
Filter and filter cartridge
US-10865749-B2 · Dec 15, 2020 · US
Tangential air cleaner with coiled filter cartridge
US-2020353483-A1 · Nov 12, 2020 · US
Centrifugal air filter for an automotive system
US-2020355145-A1 · Nov 12, 2020 · US
Filter Device, in Particular for Gas Filtration
US-2020346158-A1 · Nov 5, 2020 · US
Precleaner system
US-2020309073-A1 · Oct 1, 2020 · US
Tangential air cleaner with coiled filter cartridge
US-10737282-B2 · Aug 11, 2020 · US
Air cleaner having built-in valve and intake system thereof
US-2020122076-A1 · Apr 23, 2020 · US
Intake device for internal combustion engine
US-2020116111-A1 · Apr 16, 2020 · US
Air cleaner
US-10578061-B2 · Mar 3, 2020 · US
Hood of a multi cyclone block of an air cleaner and air cleaner
US-10570859-B2 · Feb 25, 2020 · US
Filtering device, filtering element and maintenance process of a filtering device
US-10539101-B2 · Jan 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M35/084?
- CPC F02M35/084 is the Cooperative Patent Classification code for “Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve.”
- How many patents are filed under CPC F02M35/084 (Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC F02M35/084 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).