Guide arm for elements having an elongated shape, in particular for a turbomachine
US-10329935-B2 · Jun 25, 2019 · US
Leaf springs {(planar springs in general F16F1/027; "Belleville"-type springs with generally radial arms F16F1/324)}
Leaf springs {(planar springs in general F16F1/027; "Belleville"-type springs with generally radial arms F16F1/324)} · 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 | F16F1/18 |
| Official title | Leaf springs {(planar springs in general F16F1/027; "Belleville"-type springs with generally radial arms F16F1/324)} |
| Display label | Leaf springs {(planar springs in general F16F1/027; "Belleville"-type springs with generally radial arms F16F1/324)} |
| Total patents | 152 |
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 | 8 |
| 2016 | 13 |
| 2017 | 10 |
| 2018 | 24 |
| 2019 | 18 |
| 2020 | 20 |
| 2021 | 17 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 15 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pedal effort generation device for vehicle
US-2019129462-A1 · May 2, 2019 · US
Passive damping system for mass flow controller
US-2019101179-A1 · Apr 4, 2019 · US
Camshaft adjuster comprising a spring
US-2019040771-A1 · Feb 7, 2019 · US
Compliant constrained headband spring
US-10178476-B2 · Jan 8, 2019 · US
Vibration Suspension System
US-2018356026-A1 · Dec 13, 2018 · US
Metal leaf spring structure of electrical connection terminal
US-2018342815-A1 · Nov 29, 2018 · US
Leaf spring, camera module drive mechanism, electronic terminal, and method for producing leaf spring
US-10126521-B2 · Nov 13, 2018 · US
Hollow spring utilizing seamless steel pipe
US-10118208-B2 · Nov 6, 2018 · US
Connector
US-2018298930-A1 · Oct 18, 2018 · US
Cutting device
US-2018289386-A1 · Oct 11, 2018 · US
Method of producing electrode-equipped plate spring of railcar bogie
US-2018257680-A1 · Sep 13, 2018 · US
Leaf spring fixing structure, electrical contact structure, and method for manufacturing these
US-2018259024-A1 · Sep 13, 2018 · US
Connector
US-2018245614-A1 · Aug 30, 2018 · US
Vibration suspension system
US-10041622-B2 · Aug 7, 2018 · US
Lens driving module and spring plate thereof
US-10030732-B2 · Jul 24, 2018 · US
Vibration damping device for vehicle
US-2018172102-A1 · Jun 21, 2018 · US
Apparatus and method for assembling composite material leaf spring module
US-2018172100-A1 · Jun 21, 2018 · US
Battery module, and battery pack and vehicle comprising the same
US-2018175343-A1 · Jun 21, 2018 · US
Spring body for a force transducer, such as a torque-and/or tension/compression-force measuring cell
US-10001419-B2 · Jun 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F1/18?
- CPC F16F1/18 is the Cooperative Patent Classification code for “Leaf springs {(planar springs in general F16F1/027; "Belleville"-type springs with generally radial arms F16F1/324)}.”
- How many patents are filed under CPC F16F1/18 (Leaf springs {(planar springs in general F16F1/027; "Belleville"-type springs with generally radial arms F16F1/324)})?
- Our database includes 152 publications tagged with this CPC code.
- Is patent activity under CPC F16F1/18 growing?
- Publication counts under this code: 15 in 2024 vs 6 in 2025 (latest complete years).