Material processing plant and drive for a mobile material processing plant
US-2025269383-A1 · Aug 28, 2025 · US
Driving mechanisms; Roller speed control
Driving mechanisms; Roller speed control · 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 | B02C4/42 |
| Official title | Driving mechanisms; Roller speed control |
| Display label | Driving mechanisms; Roller speed control |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Roller with a sensor
US-12303911-B2 · May 20, 2025 · US
Eccentric roller crusher
US-2025033062-A1 · Jan 30, 2025 · US
Coal water slurry concentration device
US-2024226906-A1 · Jul 11, 2024 · US
Milling apparatus and method
US-2024173721-A1 · May 30, 2024 · US
Vacuum cracking apparatus for power battery and cracking method thereof
US-11872611-B2 · Jan 16, 2024 · US
Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system
US-11865547-B2 · Jan 9, 2024 · US
Locking rotor rotation device
US-2023241618-A1 · Aug 3, 2023 · US
Vacuum cracking apparatus for power battery and cracking method thereof
US-2023226582-A1 · Jul 20, 2023 · US
Roller with a sensor
US-2022288599-A1 · Sep 15, 2022 · US
Drive system for operating a crusher and method for operating a crusher
US-11413624-B2 · Aug 16, 2022 · US
Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system
US-2022072561-A1 · Mar 10, 2022 · US
Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system
US-11185867-B2 · Nov 30, 2021 · US
Drive system for operating a crusher and method for operating a crusher
US-2021239144-A1 · Aug 5, 2021 · US
Distribution metering device for a roller mill, roller mill with such a distribution metering device, method for grinding grinding stock, and roller mill comprising a switching cabinet with a cooling system
US-2021197206-A1 · Jul 1, 2021 · US
Transmission for an animal feed and food roller mill, and animal feed and food roller mill having said transmission
US-10967381-B2 · Apr 6, 2021 · US
Roller mill and method for controlling a roller mill
US-10946386-B2 · Mar 16, 2021 · US
Stock level detector for roll machine for milling
US-10875028-B2 · Dec 29, 2020 · US
Transmission for an animal feed and food roller mill, and animal feed and food roller mill having said transmission
US-2020156080-A1 · May 21, 2020 · US
Method for operating an installation comprising at least one assembly with a rotating surface
US-10556239-B2 · Feb 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B02C4/42?
- CPC B02C4/42 is the Cooperative Patent Classification code for “Driving mechanisms; Roller speed control.”
- How many patents are filed under CPC B02C4/42 (Driving mechanisms; Roller speed control)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC B02C4/42 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).