System able to change cross-sectional area of air intake tube
US-2017370333-A1 · Dec 28, 2017 · US
Air cleaners
Air cleaners · 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 | F02M35/02 |
| Official title | Air cleaners |
| Display label | Air cleaners |
| Total patents | 176 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 24 |
| 2017 | 16 |
| 2018 | 15 |
| 2019 | 21 |
| 2020 | 19 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 16 |
| 2024 | 9 |
| 2025 | 8 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motorcycle
US-9845784-B2 · Dec 19, 2017 · US
Drive torque control device, drive source unit and vehicle
US-2017341650-A1 · Nov 30, 2017 · US
Air induction systems for internal combustion engines
US-9822741-B2 · Nov 21, 2017 · US
Abnormality diagnosis device
US-2017328248-A1 · Nov 16, 2017 · US
Filter Module with a Filter Element and with a Fastening Frame and Air Filter Device with a Filter Module
US-2017291128-A1 · Oct 12, 2017 · US
Vehicle
US-2017292487-A1 · Oct 12, 2017 · US
Front structure of saddle ride type vehicle
US-2017276104-A1 · Sep 28, 2017 · US
Air-cleaner structure of saddle-ride type vehicle
US-2017254300-A1 · Sep 7, 2017 · US
Pneumatically actuated vacuum pump having multiple venturi gaps and check valves
US-9657748-B2 · May 23, 2017 · US
Elongated tubular hydrocarbon adsorption trap produced from a circularly wrapped sheet media
US-9624877-B2 · Apr 18, 2017 · US
Air intake duct for motorcycle
US-2017089307-A1 · Mar 30, 2017 · US
Seal arrangement for filter element; filter element assembly; and, methods
US-2017050139-A1 · Feb 23, 2017 · US
Air Filter Arrangement; Assembly; and, Methods
US-2017028340-A1 · Feb 2, 2017 · US
Air intake structure for engine
US-2017002775-A1 · Jan 5, 2017 · US
Air cleaner assembly with integrated acoustic resonator
US-9534570-B2 · Jan 3, 2017 · US
Egr system with particle filter and wastegate
US-2016348615-A1 · Dec 1, 2016 · US
Two-wheeled vehicle
US-2016318569-A1 · Nov 3, 2016 · US
Fuel supply structure in vehicle engine
US-9482197-B2 · Nov 1, 2016 · US
Apparatus for improving cooling efficiency of engine room in vehicle
US-2016298580-A1 · Oct 13, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M35/02?
- CPC F02M35/02 is the Cooperative Patent Classification code for “Air cleaners.”
- How many patents are filed under CPC F02M35/02 (Air cleaners)?
- Our database includes 176 publications tagged with this CPC code.
- Is patent activity under CPC F02M35/02 growing?
- Publication counts under this code: 9 in 2024 vs 8 in 2025 (latest complete years).