Flap device for an internal combustion engine
US-10145310-B2 · Dec 4, 2018 · US
Details of bearings for the axis of rotation
Details of bearings for the axis of rotation · 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 | F16K1/224 |
| Official title | {Details of bearings for the axis of rotation} |
| Display label | Details of bearings for the axis of rotation |
| Total patents | 165 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 10 |
| 2017 | 24 |
| 2018 | 18 |
| 2019 | 24 |
| 2020 | 21 |
| 2021 | 13 |
| 2022 | 12 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Plain bearing and/or systems incorporating such bearings
US-10082172-B2 · Sep 25, 2018 · US
Seal ring
US-2018258889-A1 · Sep 13, 2018 · US
Butterfly valve handle
US-9989154-B2 · Jun 5, 2018 · US
Mounting Of A Flap Valve Shaft
US-2018142790-A1 · May 24, 2018 · US
High temperature shaft seal for bleed valve with roller bearings
US-9958071-B1 · May 1, 2018 · US
Alignment System for Slotted Snap-Action Valve Assembly for Exhaust System
US-2018051610-A1 · Feb 22, 2018 · US
Egr device
US-2018003134-A1 · Jan 4, 2018 · US
Shaft blowout prevention device
US-2017370181-A1 · Dec 28, 2017 · US
Flap device for an internal combustion engine or an electric vehicle
US-9851123-B2 · Dec 26, 2017 · US
Valve device in a motor vehicle
US-2017363213-A1 · Dec 21, 2017 · US
Valve device
US-2017342914-A1 · Nov 30, 2017 · US
Valve device
US-9829111-B2 · Nov 28, 2017 · US
Intake control valve and intake apparatus
US-9732666-B2 · Aug 15, 2017 · US
Bearing seal assembly for electronic throttle control valve
US-2017204791-A1 · Jul 20, 2017 · US
Handle insert for valve
US-9695947-B2 · Jul 4, 2017 · US
Valve device for a turbine of an exhaust gas turbocharger
US-9677462-B2 · Jun 13, 2017 · US
Fluid circulation valve, in particular for a motor vehicle, with thrust washer and method for manufacturing such a valve
US-2017159828-A1 · Jun 8, 2017 · US
Sprung Seal Retainer
US-2017146170-A1 · May 25, 2017 · US
Coupling Seal Having Ramp Surfaces
US-2017146171-A1 · May 25, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K1/224?
- CPC F16K1/224 is the Cooperative Patent Classification code for “Details of bearings for the axis of rotation.”
- How many patents are filed under CPC F16K1/224 (Details of bearings for the axis of rotation)?
- Our database includes 165 publications tagged with this CPC code.
- Is patent activity under CPC F16K1/224 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).