Axle retention for an electric bicycle
US-2024409183-A1 · Dec 12, 2024 · US
using propulsion power generated by humans or animals
using propulsion power generated by humans or animals · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60L50/20 |
| Official title | using propulsion power generated by humans or animals |
| Display label | using propulsion power generated by humans or animals |
| Total patents | 440 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 44 |
| 2016 | 55 |
| 2017 | 44 |
| 2018 | 42 |
| 2019 | 45 |
| 2020 | 30 |
| 2021 | 37 |
| 2022 | 26 |
| 2023 | 36 |
| 2024 | 31 |
| 2025 | 42 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrically assisted bicycle
US-2016375955-A1 · Dec 29, 2016 · US
Power supply system, electrically assisted system, and electric gear shift system
US-9517702-B2 · Dec 13, 2016 · US
Dynamic battery system voltage control through mixed dynamic series and parallel cell connections
US-9493090-B2 · Nov 15, 2016 · US
Hybrid sensor-enabled electric wheel and associated systems, multi-hub wheel spoking systems, and methods of manufacturing and installing wheel spokes
US-2016304158-A1 · Oct 20, 2016 · US
Towing device
US-9457630-B2 · Oct 4, 2016 · US
Adaptive motor torque adjustment for electric two-wheeled vehicle
US-2016251057-A1 · Sep 1, 2016 · US
Power management in an electrically-assisted vehicle
US-9409622-B2 · Aug 9, 2016 · US
Motor driving apparatus
US-2016221445-A1 · Aug 4, 2016 · US
Battery box for electric cycle
US-9387906-B2 · Jul 12, 2016 · US
Bicycle assist unit
US-2016107721-A1 · Apr 21, 2016 · US
Electric power mower
US-9282695-B2 · Mar 15, 2016 · US
Battery box for electric cycle
US-2016068224-A1 · Mar 10, 2016 · US
Electric bicycle
US-2016031507-A1 · Feb 4, 2016 · US
Electric bicycle
US-2016031524-A1 · Feb 4, 2016 · US
Electric bicycle
US-2016031506-A1 · Feb 4, 2016 · US
Bicycle control apparatus
US-2015367750-A1 · Dec 24, 2015 · US
Power supply system, electrically assisted system, and electric gear shift system
US-2015352973-A1 · Dec 10, 2015 · US
Side-facing vehicle charging system
US-2015314695-A1 · Nov 5, 2015 · US
Vehicular emergency reporting device
US-2015314754-A1 · Nov 5, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60L50/20?
- CPC B60L50/20 is the Cooperative Patent Classification code for “using propulsion power generated by humans or animals.”
- How many patents are filed under CPC B60L50/20 (using propulsion power generated by humans or animals)?
- Our database includes 440 publications tagged with this CPC code.
- Is patent activity under CPC B60L50/20 growing?
- Publication counts under this code: 31 in 2024 vs 42 in 2025 (latest complete years).